Chapter 3 - Human Reproduction

Question 1

What is reproduction?

Answer 1

The process by which humans multiply themselves.

Question 2

The process through which a child’s body matures into an adult body capable of sexual reproduction.

Answer 2

Puberty

Question 3

Puberty begins and is completed at what age?

Answer 3

begins at 10-12 and is completed at ages 15-17

Question 4

Puberty is initiated by which gland from the endocrine system?

Answer 4

pituitary gland

Question 5

A pea-sized gland located at the base of the brain.

Answer 5

pituitary gland

Question 6

The chemical messengers that produce various effects on organ systems.

Answer 6

hormones

Question 7

Primary sex organs for females.

Answer 7

ovaries

Question 8

Primary sex organ for males.

Answer 8

testes

Question 9

Puberty among females begins when their ovaries start producing _________.

Answer 9

estrogen

Question 10

Hormone responsible for most of the changes in the female body during puberty.

Answer 10

estrogen

Question 11

Puberty among males begins when the testes begin to produce _________.

Answer 11

testosterone

Question 12

A hormone responsible for most of the changes in the male body during puberty.

Answer 12

testosterone

Question 13

The male reproductive cell, necessary for reproduction.

Answer 13

sperm

Question 14

Physical manifestations for BOTH male and female during puberty.

Answer 14

• rapid growth
• growth of hair in some areas of the body (pubic area and armpit)

Question 15

Physical manifestations for MALE:

Answer 15

• genital growth
• height spurt
• shoulders broaden
• appearance of beard and body hairs
• deepening of voice

Question 16

Physical manifestations for FEMALE:

Answer 16

• breasts start to develop
• hips widen
• hair on armpits and pubic area
• start of menstruation

Question 17

During a woman’s fertile years, she will experience a process called __________, which takes place each month.

Answer 17

menstrual cycle

Question 18

The cycle that involves the thickening of the lining of the uterus or womb in preparation for pregnancy.

Answer 18

menstrual cycle

Question 19

The first menstrual period is called _________.

Answer 19

menarche

Question 20

Menstruation stops permanently, on the average, at the age of _________.

Answer 20

50

Question 21

Mental and emotional changes during puberty:

Answer 21

1. overly self-conscious
2. interests change land lean toward issues that are more the concern of adults
3. romantic relationships become important
4. they take more responsibilities
5. mood swings

Question 22

The pimple-causing bacteria

Answer 22

propionibacterium acnes

Question 23

The onset of early puberty is called:

Answer 23

precocious puberty