Identify this portion of the penis:

Interstitial cells, found between the seminiferous tubules of the testes, produce testosterone.

This muscle is found on the spermatic cord and can raise the testes:

Which cells of the testes produce testosterone?

The testes are located in the _____________________ to maintain a temperature approximately 3 degrees cooler than body temperature.

Which of the following is NOT an accessory gland of the male reproductive tract:

This duct transports sperm from the testes into the male pelvis:

 Identify this structure:

 Identify this structure:

Standard precautions do NOT have to be used for contact with saliva or tears.