Introduction To Reproduction

Question 1

Male reproductive anatomy

Answer 1

Two testes: make up sperm and hormones like testosterone . The testes are located in the scrotal sac

Scrotal Sac: keeps the testes 3 to 4 body temperature cooler

Within the testes: are seminiferous tubules

Leydig cells: between the seminiferous tubules are the Leydig Cells. It produces testosterone

Within the seminiferous tubules are two cells types:

Germ cells and Sertoli Cells( support Germ cells development)

Sperm are constantly created from spermatogonia and enter into meiosis, a process of division that reduces the amount of genetic material by half.

Question 2

How spm leave the body

Answer 2

Sperm have three parts, a head( contains the dna ) , a middle piece( contains the mitochondria, which provide the energy for the tail to propel the sperm after ejaculation) and a tail.

Sperm transported from seminiferous to>
epididymus( get mature there)> 
move out the epididymus to the>
vas deferens >
Joins the seminal vesicle>
Flows by the prostate gland into the urethra >
Leave out the penis