Which of the following is not true?
A. The vagus nerves carry parasympathetic innervation to the heart.
B. Without vagus nerve innervation, the heart rate would be about 100 beats per minute.
C. The cardiac nerves carry parasympathetic innervation to the heart.
D. Sympathetic innervation increases the speed and force of contraction.
E. Fibers of the vagus nerves lead to the SA and AV nodes.
C. The cardiac nerves carry parasympathetic innervation to the heart.
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Compared to the young, elderly individuals have ________ epidermal dendritic skin cells.
A. more B. fewer
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________ develop(s) when the immune response mistakenly targets normal body cells and tissues.
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