Option B is the correct answer.
Increased cardiorespiratory fitness
means the body makes more efficient use of oxygen requiring less to
function as well or better than when you are less fit as judged on this
index.
Not sure check on yahoo answers
<span>One reason confidentiality would be important at a time of a medical emergency is if the patient didn't want people to know about the emergency so that they wouldn't worry. Another reason is for instance if that medical emergency was something that the patient considered embarrassing then they wouldn't want people to know.</span>
ANSWER A.Travis’s heart pumps more quickly to allow oxygen to be removed from the air and transported to the tissue.
