Reproduction Flashcards
1
Q
What are the male sex cells called?
A
Sperm cells
2
Q
Where are the male sex cells made?
A
The male sex cells are made in the testes.
3
Q
What are the female sex cells called?
A
Egg cells
4
Q
About how long does the menstrual cycle take?
A
About 28 days
5
Q
What is ovulation?
A
The release of a mature egg cell
6
Q
What substance passes through the placenta to the baby?
A
Oxygen
7
Q
How long is gestation in humans?
A
40 weeks
8
Q
Which change during puberty happens to boys and girls?
A
Underarm hair grows
