The total cross-sectional area of arteries is less than that of the arterioles
Indicate whether the statement is true or false
TRUE
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The ability to sense changes in the environment and respond to them is called ________.
What will be an ideal response?
________ are cytokines that make cells resistant to viruses.
Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT a bodily function controlled by nerve impulses?
A. Problem solving and other higher mental functions B. Responses to various stimuli C. Generation of thought processes D. Muscle contraction E. All of these are functions controlled by nerve impulses.
Assuming you have normal respiratory function at sea level, start holding your breath. Which of the following could be true in 60 seconds?
A. The oxygen-hemoglobin dissociation curve is shifting to the left B. Venous PO2 = 50 mmHg C. Arterial PCO2 = 50 mmHg D. Alveolar PO2 = 105 mmHg