You should recognize thefactors that affect blood flow via the cardiovascular system: blood push, blood volume, resistance, illness and also exercise. You need to knowexactly how these factors influence blood circulation.

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The price at which blood flows via the humale body transforms in response to many components. Which statement explains one of these components and also its impact on blood flow?

A. A high viscosity of blood causes an increased resistance in the blood vessels and also leads to slow-moving blood circulation.

B. A low blood pH decreases the rate of diffusion via the blood vessels and leads to slow blood flow.

C. The changing of the shape of red blood cells to a crescent form decreases resistance and lead to a much faster blood circulation.

D. The narrowing of blood vessels boosts pressure and also leads to a much faster blood circulation.

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Example Two


Which of the complying with components would the majority of directly affect blood flow through the circulatory system?

A. blood pressure

B. blood sugar

C. respiratory rate

D. exterior temperature

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Example Three


What reasons blood pressure?

A. cholesterol in the blood

B. stress that exercise puts on heart muscle

C. contractivity of the ventricles in the heart

D. removal of oxygen from the blood

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Example Four


Which line in the graph above finest illustrates an effect of the carbon dioxide level in the blood on breapoint rate before, during and after a period of exercise?

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A.

B.

C.

D.

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Example Five


Which of the following best defines the connection in between cardiovascular illness and also age?

A. As people age, their blood vessels become even more elastic bring about less cardiovascular disease.

B. As human being age, the heart becomes more reliable with each pump, increasing cardiac output.

C. As civilization age, blood press decreases bring about more cardiovascular condition.

D. As human being age, plaque builds up in the arteries raising vessel resistance, which leads to condition.

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Blood Pressure, Flow, & Resistance
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In Your Book


General Biology - Chapter 30, pg. 732

Honors Biology - Chapter 33, pg. 784


Additional Activity Links


Virtual Lab: Blood Pressure - Glencoe


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