Date post: | 11-May-2015 |
Category: |
Health & Medicine |
Upload: | all-saints-science |
View: | 8,127 times |
Download: | 0 times |
Ch. 7 Sec. 2
Male & Female
Reproductive Systems
male female
Objectives:
1. What is sexual
reproduction?
2. What are the
structures and
functions of the
male
reproductive
system?
• 1. when 2 living organisms
create another living organism
• When sperm reaches egg
• Joining of egg & sperm
• When 2 people make living
thing of same type
• Makes another human
• 2. sperm & testes
• Penis, urethra, testes-create
sperm, Penis delivers sperm
Objectives:
1. What is sexual
reproduction?
2. What are the
structures and
functions of the
male
reproductive
system?
Characteristic Male Female
Sex cell sperm egg (ovum)
Organs testes ovaries
Hormones testosterone estrogen
sperm
egg
reproduction•process by which living
things produce new
individuals of same type
fertilization• joining of sperm & egg
zygote• fertilized egg
chromosomes
23
46
Eye color calculator
• carry info. that control
inherited
characteristics
– ex. eye color
– every cell= 46
• except sex cells = 23
23
Punnett square (eye color)
testes•male organs
•produce sperm &
testosterone
• located in scrotum
Male Reproductive System Diagram
testosterone
• hormone that controls
development of physical
characteristics in mature
men
–facial hair
–deepening of voice
–broadening of shoulders
–ability to produce sperm
sperm•head- contains chromosomes
•tail- helps swim toward egg
semen= sperm cells + fluids
- leaves body urethra in penis
Semen contains about 5 to
10 million sperm per drop!
Great Sperm Race
Objectives:
1. What are the structures and
functions of the female
reproductive system?
2. Describe the menstrual cycle.
ovaries
• female
organs
•produce
eggs &
estrogen
ovaries• located near oviduct
(fallopian tubes)=
passageway for
eggs uterus (womb)
Kidshealth.org Female reproductive system
menstrual cycle• monthly cycle of
changes that occurs in
female reproductive
system
menstrual cycle1. egg develops in ovary
2. uterus lining thickens
3. mature egg released once
month from ovary oviduct =
ovulation
4. if sperm present- can be
fertilized for next few daysMenstruation explanation
menstrual
discharge
developing
egg
ovulation
occurs
egg moves
oviduct
egg
enters
uterus
May 2011
menstruation•process when extra
blood & tissue from
thickened lining pass
out of body cervix
vagina (birth canal)Menstruation Animation