A)The nervous system and endocrine system are both regulatory systems, but the two systems do not communicate directly with each other.
B)Endocrine signaling is generally more prolonged than nerve cell signaling.
C)The nervous system transmits signals between adjacent cells using neurotransmitters, whereas the endocrine system signals with hormones.
D)Neurotransmitters function only over short distances, whereas hormones can affect cells throughout the body.
E)Nerve cell signaling is generally more rapid than endocrine signaling.