Answer : The Aerobic exercise improves the oxygen purifying capacity of lungs. So, one can breathe in more oxygen through inhalation and then more oxygen is transferred to muscles in the body, also carbon dioxide is given actively out of the body through exhalation. All these gives body more energy to perform daily tasks and stay fit and healthy.
Answer:
In addition to the local control of blood flow, global control of blood flow including changes in cardiac output and control of arterial BP is mediated by the autonomic nervous system. Global neural control of arterial hypertension is essentially through the sympathetic nervous system (SNS).
Explanation:
From Google
"<span>b. the liver is able to manufacture some amino acids from others."
The liver has the capability to transform some amino acids into others (called non-essential because they can be produced by the body and there is no need to get them from food). This is done by transamination. Transamination is the process of transferring an amino group from one molecule to another without forming ammonia thanks to enzymes that are called transaminases and preform such transfer.</span><span>
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Answer:
According to the current fossil record, scientists believe that the life on earth began about 3.5 billion years ago.
