 Primary sexual characteristics
.We alredy have them when we are born
and they are different for male and female
- Second...
 Reproductive cells carry out the function of
reproduction .
 Sperm are the male reproductive cells .
They are small . T...
-The female reproduction system is made up of :
.The ovaries
.The uterus
.The fallopian tubes
.The vagina
.The vulva
-The ...
 Pregnancy last about 9 months and ends in
a birth .
 During the early stages , different structures
are created to prot...
 The process of giving birth is called labour .
Labour takes place in three phases .
. Dilation
. Expulsion
. Afterbirth
Unit 4 human reproduction noemi s
Unit 4 human reproduction noemi s
Unit 4 human reproduction noemi s
Unit 4 human reproduction noemi s
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Unit 4 human reproduction noemi s

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Transcript of "Unit 4 human reproduction noemi s"

  1. 1.  Primary sexual characteristics .We alredy have them when we are born and they are different for male and female - Secondary sexual characteristics .During puberty , between the ages of eleven and fifteen , the reproductive system matures . Other changes are specific to each sex : .Girls develop breasts and their hips get wider .Boys get deeper voices .
  2. 2.  Reproductive cells carry out the function of reproduction .  Sperm are the male reproductive cells . They are small . They have a head and a long tail called a flagellum . They are produced in large numbers from the time of puberty .  Ova are the female reproductive cells . They do not move .From puberty , and ovum matures every month .
  3. 3. -The female reproduction system is made up of : .The ovaries .The uterus .The fallopian tubes .The vagina .The vulva -The male reproductive system is made up of : .The testicles .The vas deferens .The urethra .The seminal vesicles .The penis
  4. 4.  Pregnancy last about 9 months and ends in a birth .  During the early stages , different structures are created to protect the embryo . . Placenta . Umbilical cord . Amniotic sac
  5. 5.  The process of giving birth is called labour . Labour takes place in three phases . . Dilation . Expulsion . Afterbirth
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