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Human reproduction involves both male and female reproductive systems. The male system produces sperm and deposits it in the female system during sexual intercourse. The female system produces eggs and can support a pregnancy, where the embryo implants and develops in the uterus over approximately nine months until birth. Both systems contain various organs that take part in these processes to allow for the creation of offspring that share characteristics with their parents.
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Unit 3 natural science 6th nueva
In sexual reproduction, males and females participate by producing sperm and eggs respectively. The male reproductive system produces sperm in the testicles and deposits it in the female system using the penis. The female reproductive system produces eggs in the ovaries and protects and nourishes potential new life in the uterus if fertilization occurs. If fertilization is successful, pregnancy lasts approximately nine months from embryo implantation to birth, during which stages the developing human progresses from childhood through adolescence and adulthood.
Human reproduction.pdf
Male and female humans reproduce sexually, with males producing sperm and females producing eggs. The male reproductive system includes the testicles, penis, vas deferens, prostate, and urethra, which work together to produce and deposit sperm. The female reproductive system includes the vagina, ovaries, Fallopian tubes, uterus, and vulva, which work to produce eggs and protect potential new life. If fertilization occurs, pregnancy lasts approximately nine months from embryo implantation until birth.
Unit 4 human reproduction gonzalo s
The document summarizes the key aspects of human reproduction. It describes the primary and secondary sexual characteristics that develop during puberty in males and females. It then outlines the main organs involved in the male and female reproductive systems. The three phases of labor and birth are defined as dilation, expulsion, and afterbirth. Fertilization is explained as the joining of an ovum and sperm inside the fallopian tubes to form a zygote, which then implants in the uterus wall and develops into an embryo over the course of a typical nine-month pregnancy.
Human reproduction
Human reproduction involves the combination of male and female reproductive cells or gametes. During puberty, physical changes like growth of body hair and changes in body shape prepare the bodies of boys and girls for reproduction. The male reproductive system produces millions of sperm cells daily in the testes, while the female system releases a mature egg once a month from the ovaries. Fertilization occurs when sperm fertilizes an egg, initiating pregnancy, which lasts about nine months until birth.
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Human reproduction occurs through sexual reproduction. During puberty, between ages 11-15, secondary sex characteristics develop in both males and females to differentiate the sexes. The male reproductive system produces sperm in the testes which are transported through the vas deferens and urethra. The female reproductive system contains ovaries that produce eggs and a uterus for fetal development. Fertilization occurs when an egg and sperm join in the fallopian tubes to create an embryo. Pregnancy lasts around 9 months as the embryo develops structures like the placenta and umbilical cord to receive nutrients until birth.
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Human reproduction involves the joining of male and female sex cells. During puberty, individuals develop primary and secondary sex characteristics that differentiate males and females for reproduction. The female reproductive system includes ovaries, uterus, fallopian tubes, vagina, and vulva. The male system includes testes, vas deferens, urethra, seminal vesicles, and prostate. Fertilization occurs when sperm joins an ovum in the fallopian tubes. The fertilized egg implants in the uterus and develops over nine months into a fetus with a placenta and umbilical cord, until birth through labor in three stages of dilation, expulsion, and afterbirth.
Human reproduction maria
Human reproduction involves the combining of male and female sex cells through sexual reproduction. During puberty, between ages 11-15, individuals develop primary and secondary sex characteristics that allow for reproduction. The female reproductive system includes the ovaries, uterus, fallopian tubes, vagina, and vulva. The male reproductive system includes the testicles, vas deferens, urethra, seminal vesicles, and prostate. Fertilization occurs when sperm meets an egg in the fallopian tubes. A fertilized egg implants in the uterus and develops over 9 months into a baby, receiving nutrients from the placenta via the umbilical cord. Birth occurs in three stages of dilation, expulsion, and afterbirth
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Unit 3 natural science 6th nueva
In sexual reproduction, males and females participate by producing sperm and eggs respectively. The male reproductive system produces sperm in the testicles and deposits it in the female system using the penis. The female reproductive system produces eggs in the ovaries and protects and nourishes potential new life in the uterus if fertilization occurs. If fertilization is successful, pregnancy lasts approximately nine months from embryo implantation to birth, during which stages the developing human progresses from childhood through adolescence and adulthood.
Human reproduction.pdf
Male and female humans reproduce sexually, with males producing sperm and females producing eggs. The male reproductive system includes the testicles, penis, vas deferens, prostate, and urethra, which work together to produce and deposit sperm. The female reproductive system includes the vagina, ovaries, Fallopian tubes, uterus, and vulva, which work to produce eggs and protect potential new life. If fertilization occurs, pregnancy lasts approximately nine months from embryo implantation until birth.
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The document summarizes the key aspects of human reproduction. It describes the primary and secondary sexual characteristics that develop during puberty in males and females. It then outlines the main organs involved in the male and female reproductive systems. The three phases of labor and birth are defined as dilation, expulsion, and afterbirth. Fertilization is explained as the joining of an ovum and sperm inside the fallopian tubes to form a zygote, which then implants in the uterus wall and develops into an embryo over the course of a typical nine-month pregnancy.
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Human reproduction involves the combination of male and female reproductive cells or gametes. During puberty, physical changes like growth of body hair and changes in body shape prepare the bodies of boys and girls for reproduction. The male reproductive system produces millions of sperm cells daily in the testes, while the female system releases a mature egg once a month from the ovaries. Fertilization occurs when sperm fertilizes an egg, initiating pregnancy, which lasts about nine months until birth.
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Human reproduction occurs through sexual reproduction. During puberty, between ages 11-15, secondary sex characteristics develop in both males and females to differentiate the sexes. The male reproductive system produces sperm in the testes which are transported through the vas deferens and urethra. The female reproductive system contains ovaries that produce eggs and a uterus for fetal development. Fertilization occurs when an egg and sperm join in the fallopian tubes to create an embryo. Pregnancy lasts around 9 months as the embryo develops structures like the placenta and umbilical cord to receive nutrients until birth.
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Human reproduction involves the joining of male and female sex cells. During puberty, individuals develop primary and secondary sex characteristics that differentiate males and females for reproduction. The female reproductive system includes ovaries, uterus, fallopian tubes, vagina, and vulva. The male system includes testes, vas deferens, urethra, seminal vesicles, and prostate. Fertilization occurs when sperm joins an ovum in the fallopian tubes. The fertilized egg implants in the uterus and develops over nine months into a fetus with a placenta and umbilical cord, until birth through labor in three stages of dilation, expulsion, and afterbirth.
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Human reproduction involves the combining of male and female sex cells through sexual reproduction. During puberty, between ages 11-15, individuals develop primary and secondary sex characteristics that allow for reproduction. The female reproductive system includes the ovaries, uterus, fallopian tubes, vagina, and vulva. The male reproductive system includes the testicles, vas deferens, urethra, seminal vesicles, and prostate. Fertilization occurs when sperm meets an egg in the fallopian tubes. A fertilized egg implants in the uterus and develops over 9 months into a baby, receiving nutrients from the placenta via the umbilical cord. Birth occurs in three stages of dilation, expulsion, and afterbirth
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Human reproduction occurs through sexual reproduction bringing male and female together. Primary sexual characteristics are present at birth and differ between males and females. During puberty, secondary sexual characteristics develop like breasts or facial hair. Reproductive cells called sperm and ova carry out reproduction. The male reproductive system includes testes, penis and other organs. The female system includes ovaries, uterus, fallopian tubes and other organs. Fertilization happens when a sperm and ovum join to form a zygote. Pregnancy lasts 9 months as the embryo develops protective structures and into a fetus and baby over time. Birth occurs in three stages of dilation, expulsion, and delivery of the afterbirth.
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The document summarizes human reproduction and development. It discusses sexual reproduction, primary and secondary sexual characteristics, reproductive cells, and the male and female reproductive systems. It also describes fertilization, pregnancy, and the three phases of labor and birth. Key points include that humans reproduce sexually, puberty brings physical changes like growth of breasts or facial hair, and pregnancy lasts about 9 months before birth.
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placenta ppt 2.pptx PowerPoint presentation
abruption. This is when the placenta partly or completely peels away from the inner wall of the uterus before delivery. With placental abruption, the developing baby might not get enough oxygen and nutrients. The pregnant person might have back or stomach pain and bleeding from the vagina. Placental abruption can lead to an emergency in which a baby needs to be delivered early.
Placenta previa. This condition happens when the placenta partly or totally covers the cervix. Placenta previa is more common early in pregnancy. It might get better on its own as the uterus grows.
Placenta previa can cause serious vaginal bleeding during pregnancy or delivery. Treatment depends on various factors. They include the amount of bleeding, whether bleeding stops, how far along the pregnancy is and the placenta's position. If placenta previa continues late into the pregnancy, a healthcare professional likely will recommend a C-section.
Placenta accreta. Most often, the placenta separates from the wall of the uterus after childbirth. With placenta accreta, part or all of the placenta stays firmly attached to the uterus. This condition happens when the blood vessels and other parts of the placenta grow into the uterine wall. This can cause serious blood loss during delivery.
Sometimes, the placenta invades well into the muscles of the uterus or grows through the uterine wall. If this happens, a healthcare professional likely will recommend a C-section followed by surgery to remove the uterus. This is called a C-hysterectomy.
The placenta is attached to the wall of the uterus. Most often, it attaches to the top, side, front or back of the uterus. Rarely, it might attach in the lower area of the uterus. When this happens, the placenta may block the passage that connects the uterus to the vagina, called the cervix. If the placenta is near the opening of the cervix, it's known as a low-lying placenta. If it partly or totally covers the opening of the cervix, it causes a condition called placenta previa.
What affects the health of the placenta?
Various factors can affect the health of the placenta, including:
Age of the pregnant person. Some conditions that affect the placenta are more common in older people, especially after age 40.
Water breaking before labor. During pregnancy, the developing baby is surrounded and cushioned by a fluid-filled layer of tissue called the amniotic sac. If the sac leaks or breaks before labor starts, it's known as the water breaking. This raises the risk of problems with the placenta.
High blood pressure. This condition can cause less blood to reach the placenta.
Being pregnant with twins or other multiples. Being pregnant with more than one baby might raise the risk of some conditions related to the placenta.
Blood-clotting conditions. Typically, blood hardens into a clump to help control bleeding from cuts. This process is called clotting. Sometimes, blood clots form inside the body and lead to medical problems. Conditions that ca
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2) It also describes the male and female reproductive systems, including the structures and functions of the testes, ovaries, sperm, and egg. Changes during puberty are also outlined.
3) The menstrual cycle, fertilization process, development of the embryo and fetus, and importance of prenatal care are explained in detail. Risks of smoking, drinking alcohol and inadequate nutrition during pregnancy are highlighted.
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The document discusses physical development from infancy through early adolescence. It describes how infants develop motor skills through activities like tummy time and playing. It outlines physical changes in early childhood like losing baby fat and growing 2-3 inches per year. The document then details the significant physical changes that occur during early adolescence for both boys and girls, such as growth spurts, puberty, and developing secondary sex characteristics.
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Sexual reproduction involves the fusion of male and female gametes called sperm and eggs. Sperm are produced in the testes of males and contain 23 chromosomes, while eggs are produced in ovaries of females and also contain 23 chromosomes. When sperm fertilizes an egg, they fuse to form a zygote with 46 chromosomes that can develop into an embryo. Puberty causes the development of secondary sex characteristics as the reproductive systems become functional, leading to ovulation and menstruation cycles in females and sperm production in males. Fertilization occurs if sperm meets an egg during ovulation, forming an embryo that implants in the uterus and receives nutrients via the placenta.
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This document summarizes human reproduction. It describes the primary and secondary sex characteristics of males and females. It explains that reproduction requires both female egg cells and male sperm cells. It then details the female reproductive system including the external genitalia, internal organs, menstrual cycle, and pregnancy. It also outlines the male reproductive system including the penis, testicles, and role of semen. Fertilization occurs when a sperm cell joins with an egg cell to form a zygote, leading to pregnancy and eventual birth.
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This document covers topics related to human reproduction, including:
1. It defines asexual and sexual reproduction, and describes the roles of gametes and fertilization in sexual reproduction.
2. It outlines the male and female reproductive systems, labeling and describing the functions of key organs like the testes, ovaries, uterus and more.
3. It discusses puberty, the menstrual cycle regulated by hormones, sexual intercourse, fertilization, embryo development, fetal development, and the roles of the amniotic sac, amniotic fluid, placenta and umbilical cord in pregnancy.
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Human reproduction occurs through sexual reproduction bringing male and female together. Primary sexual characteristics are present at birth and differ between males and females. During puberty, secondary sexual characteristics develop like breasts or facial hair. Reproductive cells called sperm and ova carry out reproduction. The male reproductive system includes testes, penis and other organs. The female system includes ovaries, uterus, fallopian tubes and other organs. Fertilization happens when a sperm and ovum join to form a zygote. Pregnancy lasts 9 months as the embryo develops protective structures and into a fetus and baby over time. Birth occurs in three stages of dilation, expulsion, and delivery of the afterbirth.
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The document summarizes the key aspects of human reproduction. It describes puberty and the changes that occur during adolescence for both males and females. It then details the male and female reproductive systems and their functions. It explains the production of reproductive cells and the menstrual cycle. Finally, it outlines the processes of fertilization, pregnancy, and childbirth.
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abruption. This is when the placenta partly or completely peels away from the inner wall of the uterus before delivery. With placental abruption, the developing baby might not get enough oxygen and nutrients. The pregnant person might have back or stomach pain and bleeding from the vagina. Placental abruption can lead to an emergency in which a baby needs to be delivered early.
Placenta previa. This condition happens when the placenta partly or totally covers the cervix. Placenta previa is more common early in pregnancy. It might get better on its own as the uterus grows.
Placenta previa can cause serious vaginal bleeding during pregnancy or delivery. Treatment depends on various factors. They include the amount of bleeding, whether bleeding stops, how far along the pregnancy is and the placenta's position. If placenta previa continues late into the pregnancy, a healthcare professional likely will recommend a C-section.
Placenta accreta. Most often, the placenta separates from the wall of the uterus after childbirth. With placenta accreta, part or all of the placenta stays firmly attached to the uterus. This condition happens when the blood vessels and other parts of the placenta grow into the uterine wall. This can cause serious blood loss during delivery.
Sometimes, the placenta invades well into the muscles of the uterus or grows through the uterine wall. If this happens, a healthcare professional likely will recommend a C-section followed by surgery to remove the uterus. This is called a C-hysterectomy.
The placenta is attached to the wall of the uterus. Most often, it attaches to the top, side, front or back of the uterus. Rarely, it might attach in the lower area of the uterus. When this happens, the placenta may block the passage that connects the uterus to the vagina, called the cervix. If the placenta is near the opening of the cervix, it's known as a low-lying placenta. If it partly or totally covers the opening of the cervix, it causes a condition called placenta previa.
What affects the health of the placenta?
Various factors can affect the health of the placenta, including:
Age of the pregnant person. Some conditions that affect the placenta are more common in older people, especially after age 40.
Water breaking before labor. During pregnancy, the developing baby is surrounded and cushioned by a fluid-filled layer of tissue called the amniotic sac. If the sac leaks or breaks before labor starts, it's known as the water breaking. This raises the risk of problems with the placenta.
High blood pressure. This condition can cause less blood to reach the placenta.
Being pregnant with twins or other multiples. Being pregnant with more than one baby might raise the risk of some conditions related to the placenta.
Blood-clotting conditions. Typically, blood hardens into a clump to help control bleeding from cuts. This process is called clotting. Sometimes, blood clots form inside the body and lead to medical problems. Conditions that ca
Chapter 4 Reproduction
1) The document discusses sexual and asexual reproduction in humans. Sexual reproduction involves the fusion of male and female gametes during fertilization, while asexual reproduction involves only one parent and does not involve gametes.
2) It also describes the male and female reproductive systems, including the structures and functions of the testes, ovaries, sperm, and egg. Changes during puberty are also outlined.
3) The menstrual cycle, fertilization process, development of the embryo and fetus, and importance of prenatal care are explained in detail. Risks of smoking, drinking alcohol and inadequate nutrition during pregnancy are highlighted.
Physical change in human
The document discusses physical development from infancy through early adolescence. It describes how infants develop motor skills through activities like tummy time and playing. It outlines physical changes in early childhood like losing baby fat and growing 2-3 inches per year. The document then details the significant physical changes that occur during early adolescence for both boys and girls, such as growth spurts, puberty, and developing secondary sex characteristics.
Human Reproduction
Sexual reproduction involves the fusion of male and female gametes called sperm and eggs. Sperm are produced in the testes of males and contain 23 chromosomes, while eggs are produced in ovaries of females and also contain 23 chromosomes. When sperm fertilizes an egg, they fuse to form a zygote with 46 chromosomes that can develop into an embryo. Puberty causes the development of secondary sex characteristics as the reproductive systems become functional, leading to ovulation and menstruation cycles in females and sperm production in males. Fertilization occurs if sperm meets an egg during ovulation, forming an embryo that implants in the uterus and receives nutrients via the placenta.
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This document summarizes human reproduction. It describes the primary and secondary sex characteristics of males and females. It explains that reproduction requires both female egg cells and male sperm cells. It then details the female reproductive system including the external genitalia, internal organs, menstrual cycle, and pregnancy. It also outlines the male reproductive system including the penis, testicles, and role of semen. Fertilization occurs when a sperm cell joins with an egg cell to form a zygote, leading to pregnancy and eventual birth.
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This document covers topics related to human reproduction, including:
1. It defines asexual and sexual reproduction, and describes the roles of gametes and fertilization in sexual reproduction.
2. It outlines the male and female reproductive systems, labeling and describing the functions of key organs like the testes, ovaries, uterus and more.
3. It discusses puberty, the menstrual cycle regulated by hormones, sexual intercourse, fertilization, embryo development, fetal development, and the roles of the amniotic sac, amniotic fluid, placenta and umbilical cord in pregnancy.
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sigloXX.pdf
Spain transitioned from a monarchy to a republic from 1902 to 1936. In 1923, General Primo de Rivera led a military coup and established a dictatorship, closing parliament and suspending elections. Republicans won elections in 1931 and established reforms, angering conservatives who supported a military coup in 1936 starting the civil war. General Franco ended democracy in 1936, establishing a dictatorship that lasted until 1975. After Franco died, Spain transitioned to democracy, establishing a constitution in 1978 that made Spain a parliamentary monarchy guaranteeing citizens' rights.
A Century of Great Change
Spain transitioned from monarchy to republic between 1902 and 1936. General Primo de Rivera established a dictatorship in 1923 after leading a military coup. Elections in 1931 led to a democratic republic, but conservative opposition supported a military coup led by generals Franco and Mola in 1936, beginning the Spanish Civil War. Franco ended democracy in 1939 and established a nearly 40-year dictatorship, abolishing the republican constitution and persecuting opponents. After Franco died in 1975, Spain transitioned to democracy, establishing a parliamentary monarchy and guaranteeing citizens' rights with a new constitution that held the first democratic elections in 1977.
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- 2. In sexual reproduction, two individuals of different sexes participate. The offspring are similar to their parents. ● Male human are called man. Their produce sperm which are the male sex cells. ● Female human are called women. They produce eggs which are the female sex cells.
- 3. The male reproductive system The male reproductive system has two functions: to produce sperm and deposit the sperm inside the female reproductive system. Parts: ● Testicles ● Penis ● Vas deferens ● Prostate ● Urethra
- 4. The female reproductive system The female reproductive system has two functions: tolization produce eggs and to protect and nourish new life if fertilization occurs. Parts: ● Vagina ● Ovaries ● Fallopian Tubes ● Vulva
- 5. Pregnancy Pregnancy is the approximately nine-months period from when the embryo implants itself in the uterine wall until the birth of baby.
- 6. The stages of life -Childhood 1-10 -Adolescence 11-18 -Young adulthood +18 -Adulthood -Old age
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