All of the following are true of neural reflexes except that they
A) are automatic motor responses.
B) are the simplest form of behavior.
C) help preserve homeostasis.
D) cannot be modified by the brain.
E) involve at least two neurons.
D
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One consequence of insulin deficiency is the decreased ability of the brain to take up blood glucose, a condition that can lead to brain dysfunction and death.
Answer the following statement true (T) or false (F)
In certain kinds of muscle cells, calcium ions are stored in ________.
A) the smooth ER B) the rough ER C) both smooth and rough ER D) the cytoplasm
________ are short term regulators of appetite, whereas ________ is a long-term regulator.
A. Leptin and insulin; cholecystokinin (CCK) B. Peptide YY (PYY) and insulin; cholecystokinin (CCK) C. Leptin and insulin; peptide YY (PYY) D. Peptide YY (PYY) and cholecystokinin (CCK); insulin E. Insulin and cholecystokinin (CCK); peptide YY (PYY)
Which group of muscles below are antagonists?
A. Temporalis and masseter B. Frontalis and occipitalis C. Buccinator and sternocleidomastoid D. Masseter and platysma