7th Grade-Ch. 7 Sec. 2 Male & Female Reproductive Systems

11,176 views
10,269 views

Published on

Published in: Health & Medicine, Technology
0 Comments
7 Likes
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
11,176
On SlideShare
0
From Embeds
0
Number of Embeds
138
Actions
Shares
0
Downloads
432
Comments
0
Likes
7
Embeds 0
No embeds

No notes for slide

7th Grade-Ch. 7 Sec. 2 Male & Female Reproductive Systems

  1. 1. Ch. 7 Sec. 2 Male & FemaleReproductive Systems Objectives: 1. What is sexual reproduction? 2. What are the structures and functions of the male reproductive system?male female
  2. 2. Objectives: • 1. when 2 living organisms1. What is sexual create another living organism reproduction? • When sperm reaches egg 2. What are the • Joining of egg & sperm structures and functions of the • When 2 people make living male thing of same type reproductive • Makes another human system? • 2. sperm & testes • Penis, urethra, testes-create sperm, Penis delivers sperm
  3. 3. Characteristic Male Female Sex cell sperm egg (ovum) Organs testes ovaries Hormones testosterone estrogen egg sperm
  4. 4. reproduction• process by which living things produce new individuals of same type
  5. 5. fertilization• joining of sperm & egg
  6. 6. zygote• fertilized egg
  7. 7. chromosomes• carry info. that control inherited 23 23 characteristics – ex. eye color – every cell= 46• except sex cells = 23 46 Eye color calculator
  8. 8. Punnett square (eye color)
  9. 9. testes• male organs• produce sperm & testosterone• located in scrotum Male Reproductive System Diagram
  10. 10. testosterone• hormone that controls development of physical characteristics in mature men –facial hair –deepening of voice –broadening of shoulders –ability to produce sperm
  11. 11. sperm•head- contains chromosomes•tail- helps swim toward egg
  12. 12. semen= sperm cells + fluids- leaves body  urethra in penis
  13. 13. Semen contains about 5 to10 million sperm per drop! Great Sperm Race
  14. 14. Objectives: 1. What are the structures and functions of the female reproductive system?2. Describe the menstrual cycle.
  15. 15. ovaries• female organs• produce eggs & estrogen
  16. 16. ovaries• located near oviduct (fallopian tubes)= passageway for eggs uterus (womb) Kidshealth.org Female reproductive system
  17. 17. menstrual cycle• monthly cycle of changes that occurs in female reproductive system
  18. 18. menstrual cycle1. egg develops in ovary2. uterus lining thickens3. mature egg released once month from ovary oviduct = ovulation4. if sperm present- can be fertilized for next few days Menstruation explanation
  19. 19. May 2011 menstrual dischargedeveloping egg egg moves ovulation  oviduct occurs egg enters uterus
  20. 20. menstruation• process when extra blood & tissue from thickened lining pass out of body cervix vagina (birth canal) Menstruation Animation

×