A physician provides a ____________________ diagnosis when he or she tells the patient that a disease or condition is suspected or likely but has not yet been confirmed

Chemicals that relay electrically conducted signals from one neuron to another are called:

A) hormones. B) endorphins. C) catecholamines. D) neurotransmitters.

____________________ refers to an animal receiving a proper and balanced food and water ration for optimum health

Fill in the blank(s) with correct word