The answer is d both a and b
Our immune systems have improved over the years due to improvements in the medical fields. I also believe your brain has a bigger effect on how sick you actually allow yourself to become
A - Obtain a 24 hour urine test for catecholamines.
A hormone often affects only certain target cells. The reason the message of an "inappropriate" hormone is "ignored" by nontarget cells is that the nontarget cells _____.
lack receptors for the hormone
