In human males, the testes are known as an extra-abdominal gland because they are located outside the torso of the body.
Which of the following statements best explains why this location is favorable for the proper functioning of the testes?
The production of seminal fluid is increased because the testes are outside of the abdomen.
Human sperm production must occur at a temperature slightly lower than that inside the abdomen.
The mixing of seminal fluid with sperm cells is more complete because the testes are outside of the abdomen.
Human sperm production must occur in an environment having a slightly higher pH than that inside the abdomen.