When our bodies demand high blood input, our veins expand, since more blood flows through them to nurture our muscles. This, in turn demands more heat rate. The brain detects this increase in heart rate and it sends chemical messages to turn it down. So the correct option is C. the heart beat. The other options does not have a role with blood pleasure regulation, although they might influence its performance.
Answer: Option (a) is the correct option that is largest percentage of oxygen is present in both earth's crust and human body.
Explanation: Oxygen is present in large amounts both in earth's crust and human body. The percentage of oxygen in earth's crust is 46.6% and the percentage of oxygen in the body is about 66.6%. So it is concluded that both human body and earth's crust have high percentage of oxygen.
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* Better technology for diagnosing and treating infectious diseases has enabled infections to be controlled a lot better than before.
* Isolation facilities are used in very severe infections to keep them from spreading.
* Vaccination has largely eliminated many infectious diseases that used to be a problem.</span><span>
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Answer:
B. False
Explanation:
Additional information is not typically required to enter the fields of law.
