Biology

Question 1

what are the stages of sexual reproduction?

Answer 1

1. production of gametes (meiosis)
2. mating
3. Fertilization
4. Development of the embryo

Question 2

what is the purpose of cells?

Answer 2

to produce proteins made of amio acids

Question 3

explain ovulation

Answer 3

once the period ends a new egg starts to grow in the ovary inside a follicle (fluid filled ball). eventually the follicle bursts and releases the egg into an oviduct into the uterus.

Question 4

explain the menstruation

Answer 4

if the egg doesn’t get fertilized, it dies and passes out of the vagina. the follicle also breaks down into a yellow body in the ovary. the lining of the uterus breaks down and leaves vagina and the cycle restarts.

Question 5

name the parts of the female reproductive system.

Answer 5

ovaries, oviduct, uterus, cervix, vagina, urethra, clitoris, vulva

Question 6

name the parts of the male reproductive system.

Answer 6

testes, scrotum, seminiferous tubules, epididymis, vas deferens,

Question 7

what are male and female gametes for plants called?

Answer 7

male is called pollen grains, female is called egg cells.

Question 8

what is the male reproductive hormone?

Answer 8

Testosterone, makes the voice deepen and muscles develop, and testes start to produce sperm

Question 9

what is the female reproductive hormone?

Answer 9

Estrogen, it makes hips widen, period start, breasts develop, ovaries begin releasing eggs

Question 10

what do the testes do?

Answer 10

produce sperm and testosterone.

Question 11

what is the scrotum?

Answer 11

the sac-like organ containing testes outside the body (to keep them cooler for prime conditions)

Question 12

how are sperm released?

Answer 12

sperm are released during ejaculation. they first pass through the vas deferens, then get fluid from the seminal vesicle and prostate gland, which is now semen. then the sperm is released from the urethra.