Select the correct answer.
A warning sign of quackery includes:
A.
Offering instant results
B.
Advertisements that make you laugh.
C.
Not containing a secret formula.
D.
All of the above

Which description best defines the nervous system and its two main branches? a: the message center of the body, split into the autonomic nervous system and the somatic nervous system b: the control panel of the body, split into the central nervous system and the exterior nervous system c: the message center of the body, split into the central nervous system and the peripheral nervous system d: the control panel of the body, split into the brain and the spinal cord