Multiple Choice
When Jenny saw that a large barking dog was enclosed by a very high fence,her racing heartbeat began to slow.The slowing of her heartbeat was most directly regulated by her
A) hypothalamus.
B) parasympathetic nervous system.
C) somatic nervous system.
D) sympathetic nervous system.
Correct Answer:

Verified
Correct Answer:
Verified
Q127: The basic building blocks of our neural
Q128: Mark is very short for his age.After
Q129: Oxytocin is secreted by the<br>A) pancreas.<br>B) thyroid
Q130: The resting potential of a neuron refers
Q131: The nineteenth-century theory that bumps on the
Q133: Drugs that block the reuptake of serotonin
Q134: The depolarization of an axon is most
Q135: Neurotransmitter receptor sites are primarily located on
Q136: The parasympathetic nervous system<br>A) stimulates digestion and
Q137: Professor Seif conducts research on the relationship