Chapter 26: Male Reproductive System

Question 1

What is the name of the reproductive organ responsible for producing gametes and sex hormones?

Answer 1

gonads

Question 2

What are the specific gonads for males and females?

Answer 2

male: testis
female: ovary

Question 3

What are the gametes that get produced in the testis and ovaries?

Answer 3

testis: sperm

ovary: oocyte

Question 4

What is the name of the fluid part where the male sex cells are found?

Answer 4

semen

Question 5

What is the difference between males and females when it comes to gamete production?

Answer 5

males: at puberty sperm cells get produced daily
females: oocytes are produced before birth (dormant till puberty; no new oocytes get produced as they get older)

Question 6

How many chromosomes does a male/female carry when in fertilization to form a zygote?

Answer 6

sperm - 23

oocyte - 23

Question 7

What pouch of skin is located outside the male body where within the testis can be found?

Answer 7

scrotum

Question 8

What purpose does the epididymis serve?

Answer 8

stores sperms

Question 9

What part of the male reproductive system gets to produce the majority of semen?

Answer 9

seminal gland

Question 10

What is the function or the purpose of the bulbourethral gland?

Answer 10

• secretes a low amount of semen

- lubricates the urethra & the tip of the penis

Question 11

What is important in order for a male to have a healthy sperm count?

Answer 11

the temperature

Question 12

What are two important muscles found within the scrotal wall and what role do they play?

Answer 12

• dartos muscle: smooth, when it contracts it wrinkles the skin which reduces the surface area of the scrotum (testis gets warmed)
• cremaster muscle: pulls scrotal sac closer to the body in response to cold temperature to keep warm (brings close or further away from the body based on the temp.)

Question 13

What makes up the spermatic cord in the deep layer and their function?

Answer 13

• testicular artery: brings O2 + rich blood to the testis
• ## pampiniform plexus: heat exchange occurs; helps cool down the warm blood

Question 14

What makes the inguinal canal larger in males than in females?

Answer 14

due to the wide spermatic cord passing through

Question 15

Where is sperm actually being produced & where is it stored?

Answer 15

the seminiferous tubule of the testis; the epididymis is where it gets stored

Question 16

What is the flow of the sperm from where it gets produced to where it gets stored?

Answer 16

seminiferous tubule > rete testis > efferent ductule > epididymus

Question 17

What cells give rise to the sperm in the seminiferous tubule?

Answer 17

spermatogonia

Question 18

What is one of the functions of testosterone?

Answer 18

stimulate spermatogenesis (production of sperm)