The heart has an extensive ________ system that initiates and coordinates contractions
A) electrical
B) filtration
C) muscular
D) vascular
A
Explanation: A) Correct!
B) The heart does not filter anything.
C) The heart muscle does not initiate and coordinate contractions.
D) The blood vessels do not initiate and coordinate contractions.
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A) X-rays B) ultrasound C) radio waves D) surgery
Where are the lower motor neurons of the autonomic nervous system located? Choose the correct option
A) Autonomic ganglia B) Brain stem C) Ventral horn D) Ventricular zone
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A) strength-training exercises only B) ?aerobic and strength-training exercises C) aerobic exercise only D) ?high-intensity interval training only E) anaerobic and strength-training exercises
A deficiency in folic acid and iron can lead to anemia.
Answer the following statement true (T) or false (F)