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