The cardiovascular system is made up of ________, ________, and ________.
Fill in the blank(s) with the appropriate word(s).
the heart, blood vessels, blood (Answers can be in any order.)
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Which is a TRUE statement about smooth muscle?
A. Smooth muscle does not use troponin-tropomyosin to regulate cross-bridge activity. B. Smooth muscle does not have thick and thin filaments. C. Smooth muscle is striated. D. The myosin in smooth muscle requires phosphorylation before it can bind to ATP. E. Changes in cytosolic calcium do not regulate cross-bridge activity in smooth muscle.
During heart transplants, the _____ nerves are severed resulting in a faster resting heart rate (approximately 100 beats per minute) after the transplant
a) glossopharyngeal b) cardiac accelerator c) vagus d) phrenic e) cervical spinal
Read the statements about protein digestion, and choose the incorrect statement.
A. A medication that inhibits the formation of HCl would decrease protein breakdown. B. The low pH provided by HCl secretion allows the pepsin enzyme to be freed from pepsinogen enzymes. C. If HCl was missing, the stomach could not perform the initial steps of protein digestion. D. Protein digestion could be impacted by disease of both the stomach and the pancreas.
Which structures form the lentiform nucleus?
A. Putamen and globus pallidus B. Amygdaloid body and globus pallidus C. Globus pallidus and caudate nucleus D. Putamen and claustrum E. Caudate nucleus and claustrum