capillaries circulatory system function
Confidence votes 2.1K. The function of the capillaries is to distribute oxygen carried on the hemoglobin of the red cells to all the cells of the body. The blood also carries nutrients to all the cells of the body. Blood comes to the capillaries through the arteries, then is sent back to the heart via the veins.Capillaries are also the waste disposal system for the cells of the body.Water, carbon dioxide, and other wastes are uploaded to the blood to be disposed of in the kidneys, lungs and liver. Capillaries are an integral and essential component of your body's circulatory system. 2  Without these very small structures, your body wouldn't be able to bring blood to your 3  â¦. How Heart Disease Affect the Capillaries' Function The term heart disease concerns any disease that affects the heart and blood vessels.