human reproductive system

Question 1

Why are testes outside the body?

Answer 1

the sperm that is manufactured in the testes need a cooler temperature than the body’s for normal growth and development

Question 2

Sperm morphology

Answer 2

the size and shape of sperm, is one factor that’s examined as part of semen analysis to evaluate male infertility

Question 3

Female secondary sex characteristics

Answer 3

• enlargement of breasts and erection of nipples
• growth of body hair
• widening of hips
• elbows extend 5-8’ more than male adults
• upper arms approximately 2cm longer, for a given height
• labia minora may grow more prominent and undergo changes in color

Question 4

Male secondary sex characteristics

Answer 4

• growth of body hair
• growth of facial hair
• enlargement of larynx and deepening voice
• increased stature
• heavier skull and bone structure
• increased muscle mass and strength
• broadening of shoulders and chest
• increased secretions of oil and sweat glands

Question 5

Ovulation

Answer 5

process of the egg ruptures from the ovary and passes into the oviduct

Question 6

Progesterone

Answer 6

steroid hormone that helps to regulate the menstrual cycle

Question 7

Function of progesterone

Answer 7

builds up the lining of the uterus called the endometrium, in preparation the fertilized ovum

Question 8

Estrogen

Answer 8

steroid hormone responsible for secondary sex characteristics of female

Question 9

Function of estrogen

Answer 9

• responsible for secondary sex characteristics and sex drive
• spurs the onset of puberty
• responsible of ovulation
• regulate menstrual cycle

Question 10

Testosterone

Answer 10

steroid hormones responsible for the growth and development of secondary sex characteristics in male

Question 11

Function of testosterone

Answer 11

• responsible for secondary sex characteristics
• production of sperm
• causes the changes of puberty and sexual urge.

Question 12

Functions of ovary

Answer 12

• store and release the female egg cell
• produce female sex hormones estrogen and progesterone

Question 13

Function of uterus

Answer 13

protect and nourish a fetus

Question 14

Functions of penis

Answer 14

• for sexual intercourse, reproduction, and urination
• deposit semen in the vagina during sexual intercourse

Question 15

Function of testes

Answer 15

produce sperm and testosterone

Question 16

Factors that affect the release of urine and semen

Answer 16

• during urination, one sphincter will relax so that the pressure from the bladder will push urine out from the body
• during ejaculation, another sphincter will relax so that the semen can flow through the urethra to the outside of the body