The presence of mitochondria and myoglobin facilitate _________ respiration in muscle cells
A. aerobic
B. anaerobic
A
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Why is hemoglobin enclosed in erythrocytes rather than existing free in plasma?
What will be an ideal response?
Males are more prone to urinary obstruction from small stones than females
Indicate whether the statement is true or false
The direction of the impulse through the conduction system of the heart for each cardiac cycle is normally
a. AV node-SA node-bundle of His-Purkinje fibers. b. AV node-bundle of His-SA node-Purkinje fibers. c. bundle of His-AV node-Purkinje fibers-SA node. d. SA node-AV node-bundle of His-Purkinje fibers. e. SA node-bundle of His-Purkinje fibers-AV node.
Select the CNS structure that does not influence autonomic activity
a. medulla. b. hypothalamus. c. spinal cord. d. cerebellum e. all these answers.