The macula densa cells are found in:

The filtration membrane is composed of these structures:

The pick of progesterone secretion is during this phase:  

Name structure # 11 from the figure:

Social Learning theory holds that

The dartos and cremaster muscles are located in the scrotum and are important to the integrity of the male reproductive system. Which of the following is true about the role they play?

The male urethra runs through corpus cavernosum.

Use inductive reasoning to predict the next number in the sequence.

Express the set in roster form. {x|x is a natural number multiple of 5}

Name structure # 3 from the figure: