This part of the heart can initiate a contraction and can set a constant heart rate of about 100 beats per minute.
A) cardiac accelerator nerves
B) chemoreceptors
C) cardiovascular center
D) sinoatrial node
E) proprioceptors
Correct Answer:
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Q20: To which side of the body is
Q21: Which of the following reduces heart rate?
A)
Q22: Which portion of the heart wall is
Q23: Which layer of the pericardium consists of
Q24: Which of the following is the correct
Q26: Stimulation of which nerve reduces heart rate?
A)
Q27: This is comprised of a thin layer
Q28: Which part of the brain regulates heart
Q29: In the diagram, where are the trabeculae
Q30: Which of the following refers to the
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