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.

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

Does the weight loss program have practical significance? a. no, the program is not practically significant because the results are likely to occur even if the weight loss program has no effect. b. yes, the program is practically significant because the results are too unlikely to occur by chance. c. yes, the program is practically significant because the amount of lost weight is large enough to be considered practically significant. d. no, the program is not practically significant because the amount of weight lost is trivial.

True or false a fertilized cell divides many times to form an embryo