Which membrane is constructed of a visceral and parietal layer?
A) synovial
B) cutaneous
C) mucous
D) serous
E) peritoneum
D
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The integrating center for the negative feedback loop that regulates body temperature is the
A) hypothalamus. B) skin. C) temperature sensor. D) positive feedback center. E) thermostat.
This organ has an extra layer of muscle
A) Colon B) Spleen C) Stomach D) Liver
An __________ is a peice of equipment used to record the electrical activity of the heart
Fill in the blank(s) with correct word
Describe the role of regulatory neurons
A) Regulatory neurons act as part of the defense system to protect the presynaptic neurons from pathogens. B) Regulatory neurons block presynaptic neurons from drugs and other chemicals in the blood. C) Regulatory neurons assist in the repair of injured neurons. D) Regulatory neurons speed the propagation of action potentials between presynaptic neurons and postsynaptic neurons. E) Regulatory neurons facilitate or inhibit the activities of presynaptic neurons by affecting the membrane of the cell body or by altering the sensitivity of axon terminals.