Tip - How Blood Carries Oxygen

Every part of our body needs oxygen to live. Oxygen hitches a ride with our blood to get everywhere it needs to go. Find out how oxygen gets into our blood and how it travels inside our body.
Tags: blood, oxygen, air, breath, breathe, lungs, alveoli, alveolar, blood vessels, artery, arteries, capillary, capillaries, vein, veins, heart, body, anatomy, kidzworld, kidsworld