Answer:
Private health insurance is, instead, offered by a private entity instead (most often a for-profit company). You may also hear private health insurance plans called “off-exchange” plans–this means it's a major medical plan
Answer: A vaccine works by flowing in your blood and getting rid of the toxic or bad germs in your body.
Explanation:
Answer: The first one im sure.
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Answer:
The correct option is : a. causing threshold to be reached more quickly
Explanation:
Norepinephrine, also known as noradrenalin, is an organic compound, which belongs to the catecholamine family. It acts as a hormone and a neurotransmitter in the brain and the body and also impacts the heart.
It is one of the hormones secreted by the adrenal medulla. Norepinephrine is a part of the fight-or-flight mechanism of the body. It acts by binding to the β-1 receptors and opens the chemical or ligand gated calcium and sodium ion channels. Therefore, <u>it causes the threshold to be reached faster </u>by increasing the rate of depolarization and thus causes heart arrhythmia.
Therefore, <u>Norepinephrine acts on the heart by </u><u>causing threshold to be reached faster.</u>
Answer:
Resting metabolic rate is a measurement of the number of calories that your body burns at rest. Resting metabolic rate is usually measured in the morning before you eat or exercise and after a full night of restful sleep. Basal metabolic rate (BMR) is a measurement of the number of calories needed to perform your body’s most basic ( basal) functions, like breathing, circulation and cell production.
