C.pump blood more efficiently
Answer:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.
The person you are sharing them with may be sick or have something and by sharing those they could pass it onto you
Well it depends on what kind of situation you are in, but a good regular diet is to go outside once a day and walk,jog,run,etc. Do not i repeat not skip meals!
eat breakfast lunch and dinner, and you have to be able to know your proportion sizes , remember to walk everyday it will help do some sit ups and push ups too
well i hope this helped:) if you have got any questions ask:)
