Reproductive System- Unit 4

Question 1

Muscles that maintain testes temperature

Answer 1

Dartos- increases surface area for thermoregulation

Cremaster- raises/lowers testes

Pampiniform Plexus- cools blood

Question 2

Immature vs Mature sperm

Answer 2

Immature- Spermatids
Mature- Spermatozoa

Question 3

What cells produce testosterone and where are they located?

Answer 3

Interstitial cells, between seminiferous tubules

Question 4

Structures that secrete (male)

Answer 4

Prostate Gland (in prostatic urethra)- nourishes/transports sperm.

Seminal Vesicle (ejaculatory duct)- fructose, helps sperm live longer.

Bulbourethral Gland (membranous urethra)- cleanses urethra

Question 5

What causes erections?

Answer 5

Dilation in corpus cavernosum

Question 6

Parasympathetic or Sympathetic

Answer 6

Parasympathetic

Question 7

Purpose of corpus spongiosum

Answer 7

Prevent urethra from collapsing during erection

Question 8

Spermatozoon Acrosome

Answer 8

located in flagella

Question 9

Where does fertilization occur?

Answer 9

Ampulla

Question 10

How long does preimplantation embryo travel until implantation in the uterus?

Answer 10

6 days