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The lungs need to remain elastic so they can<span> effectively move oxygen into the body and carbon dioxide out of the body</span>
Answer:
The heart beat's 80 times a minute, about 115,000 times in one day or 42 million times in a year
Explanation:
Answer: To increase arterial pressure you need to increase the cardiac output
Explanation:
Cardiac output is the volume of blood being pumped by the heart in one minute. It is equal to heart rate multiplied by stroke volume.
Two factors affect the strength of the blood: cardiac output and peripheral resistance. Cardiac output is the volume of blood circulated by the heart. Increasing heart rate also results in increased cardiac output, which increases blood pressure.
Answer - Obey speed limit, speed up to flow of traffic, avoid coming to a complete stop on the acceleration lane, yield to traffic
