Human reproduction A1 206-14

Question 1

What is adolescence?

Answer 1

The period of tiem when a person transforms from a child to an adult.

Question 2

What is puberty?

Answer 2

Physical changes that take place in adolescence.

Question 3

What is puberty caused by?

Answer 3

Sex hormones

Question 4

State 3 changes that happen to both boys and girls in adolescence

Answer 4

• Body hair growth
• Body odour gets stronger
• Emotional changes
• Growth spurt

Question 5

What is the function of the male reproductive system?

Answer 5

Produce sperm cells and release them in a female

Question 6

What is the function of the female reproductive system?

Answer 6

To produce egg cells and grow a baby long enough so it can be born and survive.

Question 7

What are gametes?

Answer 7

Reproductive cells

Question 8

What is fertilization?

Answer 8

The nuclei of the sperm cell and the egg cell join together to create a new organism.

Question 9

Describe how an egg cell travels along the oviduct

Answer 9

The egg cell have cilia (tiny hairs) that allow it to waft to the uterus

Question 10

Define Gestation

Answer 10

The time in the uterus from fertilization to birth.

Question 11

Name the 3 structures inside the uterus

Answer 11

• Placenta- Organ where substances pass between fetus’and mother’s blood, stops infections and harmsful stuff reaching the fetus.
• Umbilical cord- connects the fetus to the placenta
• Amniotic fluid- Protects the fetus from shocks and bumps.

Question 12

Describe how substances are transferred from the mother to the fetus

Answer 12

The substances are diffused across the placenta to the fetus