How does blood deliver oxygen to cells of the body?
1 Answer
Mar 6, 2016
Red Blood Cells
Explanation:
Red Blood cells circulate the entire body system to carry oxygen to all parts of the body. These red blood cells are concave on each side and contain a substance called Hemoglobin which is a compound if iron. Hemoglobin combines really well oxygen from the air. When haemoglobin combines with oxygen it turns bright red. Hence the reason why you cut yourself blood is red-The haemoglobin is always combining with oxygen from the air