Resistance in the cardiovascular system dramatically increases blood flow through the circulatory system. tends to increase if blood viscosity increases. tends to decrease as the diameter of blood vessels decreases. does not occur. If it did, blood would not circulate in the blood vessels. is directly related to flow ($\uparrow$ R $\rightarrow$ $\uparrow$ Flow).
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It is influenced by factors such as blood viscosity, vessel diameter, and vessel length. Show more…
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The rate at which blood flows through the human body changes in response to many factors. Which statement describes one of these factors and its effect on blood flow? (highlight the correct answer. The narrowing of blood vessels increases pressure and leads to faster blood flow. High blood viscosity increases the resistance in the blood vessels and leads to slower blood flow. Low blood pH decreases the rate of diffusion through the blood vessels and leads to slower blood flow. The changing of the shape of red blood cells to a crescent shape decreases resistance and leads to faster blood flow.
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The rate at which blood flows through the human body changes in response to many factors. Which statement describes one of these factors and its effect on blood flow? A. A high viscosity of blood causes an increased resistance in the blood vessels and leads to slow blood flow. B. A low blood pH decreases the rate of diffusion through the blood vessels and leads to slow blood flow. C. The changing of the shape of red blood cells to a crescent shape decreases resistance and lead to a faster blood flow. D. The narrowing of blood vessels increases pressure and leads to a faster blood flow.
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