Heart rate is controlled by the two branches of the autonomic (involuntary) nervous system. The sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS). The sympathetic nervous system (SNS) releases the hormones (catecholamines - epinephrine and norepinephrine) to accelerate the heart rate. The parasympathetic nervous system (PNS) releases the hormone acetylcholine to slow the heart rate. Such factors as stress, caffeine, and excitement may temporarily accelerate your heart rate, while meditating or taking slow, deep breaths may help to slow your heart rate.
Answer:
The correct answer will be- red blood cells (RBC)
Explanation:
Malaria has proved endemic to the human species as it has killed the humans in large numbers and it has acted as one of the strongest selective force.
The malaria disease has caused the mutation in the genes in the red blood cells which carries the oxygen to different organs of the body. The mutation in the genes causes the circular shape of red blood cell to sickle-shaped cells which carry less oxygen to the organs.
The change in the shape of red blood cell provides resistance against malaria disease but it becomes a problem where malaria is not a problem.
Thus, red blood cells (RBC) is the correct answer.
Answer:
by lowering activation energy.
Explanation:
You may be talking about change from rapid-acting insulin to intermediate-acting insulin. Rapid acting insulin, as it implies, has onset of 10 to 30 minutes and peaks in 3 hours. Meanwhile, the intermediate-acting insulin takes 1 hour and 30 minutes to 4 hours to take effect, and it peaks in 4 to 12 hours. If changing from rapid-acting to intermediate-acting, there is a big space where there might be no insulin in the body to control blood sugar levels. As a nurse, you should carefully monitor blood glucose levels every 30 minutes and watch out for symptoms of hypeglycemia.
Answer:
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