Male reproductive system

Question 1

what is the male reproductive system?

Answer 1

it is a system made up of organs whose functions are to produce a new individual. (accomplish reproduction)

Question 2

What does the male reproductive system consist of?

Answer 2

It consists of a pair of testes and a network of excretory glands (epididymis, vas deferens, ejaculatory ducts) AND the seminal vesicles, the prostate, the Cowper’s glands AND the penis

Question 3

What is another name for the Cowper’s glands?

Answer 3

Bulbourethral glands.

Question 4

What does the penis consist of?

Answer 4

it consists of the visible part of the shaft.

the glans penis (cone-shaped end) and the opening of the urethra.

Question 5

What is the urethra and where is it located?

Answer 5

the channel that transports semen and urine and is located at the tip of the glans penis.

Question 6

Explain what is meant by erect?

Answer 6

When the erectile tissue fills up with blood and the penis becomes large and rigid.

Question 7

Give another name for foreskin?

Answer 7

prepuce

Question 8

Explain what happens to the foreskin in uncircumcised males?

Answer 8

it extends from the corona to cover the glans penis.

Question 9

What is the scrotum?

Answer 9

Its the thick-skinned sac that surrounds and protects the testes.

Question 10

What is another function of the scrotum and what is the reason for it?

Answer 10

it acts as climate-control system for the testes. The reason for this is the testes need to be slightly cooler than body temperature for normal sperm development.

Question 11

Where would you find the cremaster muscles?

Answer 11

in the walls of the scrotum.

Question 12

What do the cremaster walls do?

Answer 12

they relax to allow the testes to hang further from the body to cool OR contract to pull the testes closer to the body for warmth or protection.

Question 13

What are the testes?

Answer 13

they are oval bodies that average about 4-7 centimeters in length.

Question 14

Which testis hangs lower?

Answer 14

left

Question 15

What are two primary functions of the testes?

Answer 15

1. Produce sperm (which carry the man’s genes)

2. produce testosterone (the primary male sex hormone)

Question 16

What is the epididymis?

Answer 16

place where sperm is stored so it can mature

Question 17

What is the function of the epididymis?

Answer 17

It collects sperm from the testis and provides the environment for sperm to mature and acquire the ability to move through the female reproductive system and fertilize ovum.

Question 18

Where would you find an epididymis?

Answer 18

one epididymis lies against each testis.

Question 19

What is the vas deferens?

Answer 19

It is a firm tube that transports sperm from the epididymis to the urethra . This duct travels from each epididymis to the back of the prostate and joins with one of the two seminal vesicles.

Question 20

What is the urethra?

Answer 20

serves as a dual function in males. This channel is the part of the urinary tract that transports urine from the bladder and the part of the reproductive system through which semen is ejaculated.

Question 21

What are the 3 Accessory glands?

Answer 21

Seminal vesicles, Prostate and Cowper’s Glands

Question 22

What do the seminal vesicles do?

Answer 22

They produce fluid that nourishes the sperm.

Question 23

What does the fluid from the seminal vesicles contain and what is it function?

Answer 23

it is a viscous fluid containing Fructose
It function is to provide energy to the sperm as an energy source which helps help the mobility and viability of the sperm.

Question 24

What do the prostate and seminal vesicles do?

Answer 24

They produce fluid that nourishes the sperm, thus fluid provides most of the volume of semen.

Question 25

What does the prostate secrete and what is the secretions function?

Answer 25

It secretes a this, milky coloured and alkaline fluid.

its function is to enhance motility of the sperm.

Question 26

what does the Cowper’s Gland do?

Answer 26

it secretes an alkaline mucus-like fluid.

Question 27

What does the fluid that Cowper’s Gland secretes do?

Answer 27

It neutralizes the acidity of the urine residue in urethra and helps to neutralize the acidity of the vagina. It also provides some lubrication for the tip of the penis.

Question 28

explain the pathway of sperm

Answer 28

1. Testes produce sperm during puberty.
2. Sperm travels from testes along the epididymis to the vas deferens.
3. As it moves the male glands secrete fluids which mix with it. This mixture is called SEMEN.
4. The semen then moves through the urethra, which runs out into the penis.