I'm pretty sure the answer is
B.) To see if your exercise frequency is enough
<span>The answer is letter A.<span>
<span>Motives
are reasons for doing something particularly hidden or not obvious. Often times,
people are questioned by their motives when in different environments where
competition is a great part of interactions. Motives have strongly built and
destroyed empires through many generations in history. It had caused leaders
their lands, people who sacrificed, and many sorts of abrupt changes.
In modern
times motives are usually seen in movies when villains plot their work
carefully in an attempt to destroy the other. </span></span></span>
Hazard symbols<span> or </span>warning symbols<span> are recognizable </span>symbols<span> designed to warn about hazardous materials, locations, or objects, including electric currents, poisons, and </span>radioactivity<span>. The use of hazard symbols is often regulated by law and directed by </span>standards organizations<span>. Hazard symbols may appear with different colors, backgrounds, borders and supplemental information in order to specify the type of hazard. Warning symbols are used in many places in lieu of or addition to written warnings as they are quickly recognized (faster than reading a written warning) and more universally understood (the same symbol can be recognized as having the same meaning to speakers of different languages).</span>
Norepinephrine is released from sympathetic nerves, causing the heart rate to increase to higher values.
<h3>What is Norepinephrine?</h3>
Norepinephrine is a neurotransmitter (i.e., a chemical messenger) which is well known for sending information to the brain in order to increase alertness during some particular situation and also serve to constrict blood vessels.
In conclusion, norepinephrine is released from sympathetic nerves, causing the heart rate to increase to higher values.
Learn more about Norepinephrine here:
brainly.com/question/13753173
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