BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
LYMPH NODES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A pacemaker adjusts the heart rate to correspond to the body’s need for
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waste products
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need for carbon dioxide
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disease fighting
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oxygen
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Explanation:
Detailed explanation-1: -Pacemaker leads may be positioned in the atrium (upper chamber) or ventricle (lower chamber) or both, depending on the medical condition. If the heart’s rate is slower than the programmed limit, an electrical impulse is sent through the lead to the electrode and causes the heart to beat at a faster rate.
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