Male Reproductive System

Question 1

Main Reproductive organ of males

Answer 1

Testis/Testes

Question 2

Oval-shaped organs that are about 4 cm long

Answer 2

Testes

Question 3

Suspended within a sac-like structured called “scrotum”.

Answer 3

Testes

Question 4

Responsible for the production and release of sperm and male sex hormones.

Answer 4

Testes

Question 5

Produced by Leydig cells in the testes

Answer 5

Testosterone

Question 6

Responsible for the development of male secondary sex characteristics.

Answer 6

Testosterone

Question 7

Produced in the seminiferous tubules

Answer 7

Sperm

Question 8

Greatly affected by the temperature of the testes.

Answer 8

Sperm production

Question 9

Allows the scrotum to control the temperature of the testes.

Answer 9

Testes

Question 10

A long-coiled tube that stores the sperm cells for at least 18 hours until they reach maturity.

Answer 10

Epididymis

Question 11

A pair of ducts that is capable of pushing the sperm through its length by a series of muscle contractions.

Answer 11

Vas Deferens

Question 12

Extends from the epididymis to the ejaculatory duct.

Answer 12

Vas deferens

Question 13

Whitish fluid that is mainly composed of substances that nourish and protect the sperm.

Answer 13

Semen

Question 14

Extends from the urinary bladder to the penis

Answer 14

Urethra

Question 15

A narrow tube that serves as a passageway for both urine and semen.

Answer 15

Urethra

Question 16

Semen

Answer 16

Sperm cells and seminal fluids

Question 17

Responsible for discharging semen and urine out of the male body.

Answer 17

Penis

Question 18

Becomes rigid during sexual excitation.

Answer 18

Penis

Question 19

Penis becomes rigid because the erectile tissues become filled with blood.

Answer 19

Erection

Question 20

Release of semen from the penis.

Answer 20

Ejaculation

Question 21

Occurs during sexual arousal

Answer 21

Ejaculation

Question 22

A wave of muscle contractions pushes the sperm from the vas deferens to the prostate gland, where it becomes mixed with seminal fluids.

Answer 22

Sexual arousal/Orgasm

Question 23

Develops into Spermatozoa in the testes.

Answer 23

Spermatogenesis

Question 24

All immature germ cells in the seminiferous tubules that have not yet undergone meiosis.

Answer 24

Spermatogenia

Question 25

Mature sperm cells that are capable of fertilizing an egg.

Answer 25

Spermatozoa

Question 26

Where spermatogenesis occurs. Inner wall of the seminiferous tubules.

Answer 26

Germinal Epithelium

Question 27

Phases of spermatogenesis

Answer 27

Spermatocytogenesis, meiosis, and spermiogenesis.

Question 28

Occurs when a cell divides to produce two daugther cells that have 2 complete sets of chromosomes as that of their parent cell.

Answer 28

Mitosis/Spermatocytogenesis

Question 29

Produces 4 daughter cells that have half the number of chromosomes of their parent cell.

Answer 29

Meiosis

Question 30

Complex metamorphosis and occurs for 24 days.

Answer 30

Spermiogenesis

Question 31

Haploid nucleus

Answer 31

Spermatozoon/head

Question 32

A sac that contains digestive enzymes used for penetrating the cell membrane of the egg cell.

Answer 32

Spermatozoon/Acrosome

Question 33

Cell organelles that produce energy that the cell uses for motion

Answer 33

Spermatozoon/midpiece=mitochondria

Question 34

Responsible for sperm movement

Answer 34

Spermatozoon/tail=long flagellum

Question 35

What hormone does the hypothalamus release that triggers the APG to release gonadotropin into the bloodstream.

Answer 35

Gonadotropin-releasing hormone

Question 36

Somatic cells in the testes from which testosterone is produced and at which spermatogonia are embedded respectively.

Answer 36

Leydig cells and Sertoli Cells

Question 37

Luteinizing hormone and produces testosterone

Answer 37

Leydig cells

Question 38

Follicle-stimulating hormone and regulates and maintain spermatogenesis.

Answer 38

Sertoli cells

Question 39

An increase in testosterone levels in the blood stimulates a number of spermatogonia to undergo mitosis.

Answer 39

Puberty

Question 40

Carry the cells' DNA

Answer 40

Chromosomes

Question 41

23 pairs of or 46 chromosomes in their nucleus.

Answer 41

Diploid