Constriction of blood vessels occurs via the:
a. Sympathetic nervous system
b. Parasympathetic nervous system
c. Both the sympathetic and the parasympathetic nervous systems
d. None of the above
A
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It certainly can be slowed. Physiological age versus chronological age is important in preventing disease.
Before contemporary research methods were available, ____ provided significant advancements in our understanding of the nervous system
a. animal research b. clinical observations of injured or mentally ill individuals c. X-rays d. phrenology
The purpose of the correlational research strategy is to describe the relationship between two variables and measure its strength
a. True b. False Indicate whether the statement is true or false
The doctrine of specific nerve energies states that:
a. each type of sensory receptor releases a different type of energy. b. different sensory nerves release different neurotransmitters. c. each sensory neuron can respond to all sensory modalities. d. what a person experiences depends on which nerve was stimulated.