**A&P 2 Unit 27 (Lab) [Male Reproductive System]

Question 1

**Name the gamete produced by the testes

Answer 1

Sperm (Become better swimmers in the Epididymus)

Question 2

**Describe the position of the testes in relation to the pelvic cavity, and the benefit of this location.

Answer 2

• Below the pelvic cavity in the scrotum
• Helps to keep the testes cooler than body temperature so that the sperm develop correctly

Question 3

**State the endocrine function of the testes

Answer 3

Leydig cells produce Testosterone

Question 4

**Briefly describe the role of testosterone in the male

Answer 4

• For spermatogenesis
• Change from a boy’s body to a man’s body (Secondary Sex Structures)
• Promotes larger muscle & bone mass
• Sex Drive

Question 5

**Describe Spermatogenesis

Answer 5

The process in which spermatozoa are produced from male primordial germ cells by way of mitosisand meiosis.

Question 6

**Spermatogenic Cells:

Answer 6

1. Spermatogonium (2n) (stem cell)
2. Primary Spermatocyte (2n)
3. Secondary Spermatocyte (n)
4. Early Spermatid (n)
5. Late Spermatid (n)
6. Sperm Cell or Spermatozoon (n)

Question 7

**Decribe the pathway that sperm follow from the testes, through the duct system of the male.

Answer 7

1. Semineferous tubules
2. Straight tubules
3. Rete testes
4. Efferent ducts
5. Vas deferens
6. Ejaculatory duct
7. Prostatis urethra
8. Membranous urethra
9. Spongy urethra
10. External urethral orifice

Question 8

**Semen

Answer 8

An organic fluid that may contain spermatozoa.

Question 9

**Fluids Contributed to Semen

Answer 9

• Prostate Gland
• Seminal Vesicles
• Bulbourethral Glands

Question 10

**Prostate Gland

Answer 10

Milky color, contains nurishment for sperm

Question 11

**Seminal Vesicles (2)

Answer 11

Contains nurishment for sperm

Question 12

**Bulbourethral Gland

Answer 12

Very alkaline, secretion is full of mucus for lubrication in male duct work

Question 13

**Describe the role of the corpora cavernosa & corpus spongiosum in the penis

Answer 13

• Corpora Cavernosa
  
  • The pair of flacid flesh tissue that contains most of the blood in the penis during penile erection. These tissues lie along the penis shaft, from the pubic bones to the head of the penis, where they join.
• Corpus Spongiosum
  
  • The mass of spongy tissue that surrounds the male urethra within the penis.

Question 14

**The 3 main parts of sperm

Answer 14

• Head
• Mid Piece
• Tail

Question 15

**Head of Sperm

Answer 15

• Contains the father’s DNA
• Acrosome: contains enzymes to penetrate oocyte

Question 16

**Mid Piece of Sperm

Answer 16

Contains mitochondria for ATP production

Question 17

**Tail of Sperm

Answer 17

Movement (Whipping motion)

Question 18

Answer 18

Epididymus Tail

Question 19

Answer 19

Vas (Ductus) Deferens

Question 20

Answer 20

Spermatic Cord

Question 21

Answer 21

Epididymus Head

Question 22

Answer 22

Tunica Vaginalis

Question 23

Answer 23

Tunica Albuginea

Question 24

Answer 24

Seminiferous Tubules

Question 25

Answer 25

Epididymus

Question 26

Answer 26

Vas Deferens

Question 27

Answer 27

Bulbourethral Gland

Question 28

Answer 28

Ejaculatory Duct

Question 29

Answer 29

Seminal Vesicles

Question 30

Answer 30

Prostate Gland

Question 31

Answer 31

Corpus Spongium

Question 32

Answer 32

Corpora Cavernosa

Question 33

Answer 33

Glands Penis

Question 34

Answer 34

Scrotum

Question 35

Answer 35

Testis