Male reproductive system

Question 1

testicles

Answer 1

The male gonads consist of two testicles, where male gametes are produced

Question 2

Scrotum

Answer 2

Testes held and supported by skin-covered pouch which appears to be a single pouch but is internally 2. Prod of sperm requires them of 2 degrees lower than normal body temp and therefore lie in the scrotum outside of the body cavity. Muscles relax allowing testes to hang lower to cool of contract and pull closer for protection and warmth

Question 3

Seminiferous tubules

Answer 3

Internally, the testes are divided into 200 and 300 lobules filled with fine tubes called seminiferous tubules. They join to form straight the (epididymis eventually) Between are interstitial cells secreting androgen binding proteins/ testosterone. Lined with cells producing sperm

Question 4

Epididymis

Answer 4

Highly folded tubule that fits against rear surface of testes. Sperm form testes ener tube of epididymis where sores while mature

Question 5

Vas deferens

Answer 5

Epidiyjis continues to form vas deferens which carrier sperm away form testes, extends upwards from testes and passes into abdominal cavity and crosses upper surface of bladder them loops behind it to join urtetha. Trasport sperm from epi to urethra

Question 6

Urethra

Answer 6

Channel from the bladder to penis, transport semen and urine

Question 7

The liquid

Answer 7

For the transfer of sperm to the female, must be in liquid which nourishes and aids transport. Comes from seminal vesicle, prostate gland, and bulbourethral gland

Question 8

Prostate gland

Answer 8

Where tow vas deferentia join urethra. Single gland shaped as a doughnut, which surrounds urethra below the bladder. Secretes thin milky, alkaline fluid which can active sperm

Question 9

Seminal vesicle

Answer 9

Pair of pouch like organs located behind the urinary bladder. Secrets thich fluid rich in sugar and makes 60% volume of semen

Question 10

Bulbo- Urethral gland

Answer 10

Two small yellowish glands the size of peas beneath prostate on either side of the urethra. Secretes clear mucus which is carrier into urethra by a duct, this secretion acts as a lubricant. Much of it preceded emission of seminal fluid, only small amount in smemn

Question 11

Penis

Answer 11

Urethra carrier sperm and semen through the penis. Is a cylindrical organ consisting of sponge tissue with a rich blood supply, the erectile tissue has spaces that fill with blood allowing it to become erect. Used to transfer out of bodu. Contain connective tisse with blood supply