George is running a 5-km race and his cells need more oxygen. The change that will help his body meet the increased demand for oxygen is his heart will start beating more quickly. This helps the oxygen get ferried throughout the system faster. The correct answer is A.
He is checking for swollen glands, which would indicate infection or disease
I beleive it is yes, yes, no, yes
<span>It must follow a diet, otherwise it may have serious health problems.</span><span>Play sports, consult a dietician and see <span>his doctor.</span></span>
I think its take his pulse if i remember correctly?
