Biology, 22.08.2021 14:00, beesbutterflyqueen
Select the correct answer.
Pacemakers maintain the heartbeat in people who suffer from certain defects. The function of an artificial pacemaker is to send electrical impulses that will contract the heart muscles and regulate the pumping of the heart. Which condition could be corrected by a pacemaker?
A.
The individual’s sinoatrial node ceases to function.
B.
The individual’s central nervous system fails to signal the heart to contract and relax.
C.
The individual’s arteries are blocked.
D.
The valves in the individual’s heart cease to function.
Answers: 1
Biology, 21.06.2019 23:40, elisameza
Which statement describes an endocrine function rather than an exocrine function? a. salivary glands release saliva into the mouth. b. sweat glands release sweat onto the skin c. the pineal gland releases melatonin into the blood. d. esophageal glands release mucus into the esophagus.
Answers: 1
Select the correct answer.
Pacemakers maintain the heartbeat in people who suffer from certain def...
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