My best guy friend is in the hospital.. Okay so my best friend in the whole world is in the hospital, he's been in there for a while now.. and I'm going to visit him tomorrow. I want to bring him a present..like a get well soon card, and then just a random present.y best guy friend is in the hospital.. Okay so my best friend in the whole world is in the hospital, he's been in there for a while now.. and I'm going to visit him tomorrow. I want to bring him a present..
Quick Answer. Oxygen travels through the human body by being bonded to the iron in a special molecule in blood cells called hemoglobin. This is necessary because, unlike carbon dioxide, oxygen dissolves very poorly in water.
This blood which is in need of oxygen (so-called deoxygenated blood) is sent to your lungs to pick up oxygen and get rid of carbon dioxide. Your heart pumps all day to circulate blood around the body. On average, a red blood cell in the circulation will pass through the heart every 45 seconds. If you start to exert yourself your heart will start to pump faster to supply your working muscles with the increased amount of oxygen and nutrients they need.