Name_____________
Date_________
Mr. Oggeri
Period_______
Male Reproductive System Notes
The Male Reproductive System

The testes are located in an external sac called the ______________.

The scrotum is located outside the body cavity, where it is between 1 and 3
degrees ________ than normal body temperature.

The lower temperature helps sperm development.
Sperm Formation


________________ forms sperm

Sperm forms in testes

Scrotum keeps cooler than rest

Semen is sperm plus protecting _____________

Semen leaves testes through the __________ _____________ (sperm
ducts) to the urethra before it exits.
A sperm cell consists of:

_____________, which contains the nucleus

_______________, which contains energy-releasing mitochondria

__________________, which propels the cell forward
Testes

Within each testis are clusters of hundreds of tiny tubules called
_______________________________________ tubules.

The seminiferous tubules are tightly coiled and twisted together.

Sperm are produced in the seminiferous tubules.

Sperm produced in the seminiferous tubules move into the
___________________, where they mature and are stored.
Path of Sperm Travel

From the epididymus, sperm move into a tube called the ___________
___________, which extends up from the scrotum into the abdominal cavity.

This merges with the _____________________, the tube that leads to the
outside of the body through the ___________________
Accessory Glands

The seminal vesicles, prostate gland, and bulbourethral gland

Glands lining the _______________________tract produce
___________________________ fluid.

Seminal fluid _____________________ sperm and protects them from
the acidity of the female reproductive tract.

The combination of sperm and seminal fluid is called semen.
Secondary Sexual Characteristics - Male

Produced by ______________________

Deeper voice

Chest and facial hair

Lengthen bones

Increased size of testes for sperm production