Science (Menstrual cycle)

Question 1

1. When is the first day of your menstrual cycle?

2. What happens between day 1-14 of the cycle?

Answer 1

1. The first day of your period

2. A follicle containing a mature egg is developing

Question 2

1. What happens around day 14 and why?

2. What does this cause?

Answer 2

1. There is an increase in estrogen because the follicle is growing, causing a spike in LH and reduction of FSH
2. Causes the follicle to burst, releasing the egg

Question 3

What are the remains of the follicle called?

Answer 3

corpus luteum

Question 4

What happens if fertilization does not occur?

Answer 4

menstruation

Question 5

What is the development of a secondary oocyte called?

Answer 5

oogenesis

Question 6

The development of spermatozoa is called…?

Answer 6

spermatogenesis

Question 7

1. Mature human egg cells develop from what and in where?

2. What happens to oogonia before birth?

Answer 7

1. oogonia in the embryo

2. develop into primary oocyte

Question 8

Once puberty begins, one follicle reaches maturity and the primary oocyte inside of it completes meiosis 1 resulting in one released ________________ and a _______ which will degenerate.

Answer 8

secondary oocyte

polar body

Question 9

Spermatogenesis

1. At what age does it usually start?
2. What are spermatogonia?
3. Where are they found?

Answer 9

1. 14
2. specialized sperm making cells
3. found in the seminiferous tubules (seminal ducts) of the testes

Question 10

1. How does sperm cells enter the body?
2. How long can they live in a female’s body?
3. Where does fertilization take place?

Answer 10

1. vagina
2. 3 days
3. fallopian tubes