What is semen?

1. a combination of the hormones lh and fsh.

2. a mixture of sperm cells and other fluids.

3. a combination of sperm cells and egg cells.

4. a mixture of testosterone and other hormones.

What effect do stimulants, such as cocaine, have on the nervous system? o a. stimulants change the activity of neurotransmitters. o b. stimulants mimic hormones and influence moods. o o c. stimulant|mchange how sensory information is processed. d. stimulants decrease brain activity.

What disease is nick suffering from nick observes thickening and discoloration of the nail of the index finger nick is most likely suffering from a what infection

Describe the concept of interval training. what is the benefit of this type of training?