Give a Brief Description of the Integumentary System, and Explain

Q7: The endocrine and nervous systems perform the

Q65: The vas deferens is a gland that

Q66: Name three "artificial organs." Explain how they

Q67: Signals generated by the nervous system are

Q68: The thymus gland is part of the

Q69: The respiratory system includes the pharynx, trachea,

Q71: Explain the similarities between nerve impulses and

Q72: The action of the endocrine system causes

Q73: Because the function of an organ is

Q74: List the structures and explain the functioning