Most Organs Respond to _____ and _____

Question

Most organs respond to _____ and _____.
A) hormones; physical stimulation
B) environmental signals; hormones
C) hormones; neuronal signals
D) environmental signals; neuronal signals
E) physical stimulation; neuronal signals

Accepted Answer

Most organs in the body respond to hormones, which are chemical signals released by glands, and neuronal signals, which are electrical signals transmitted by the nervous system.