1. Notes on the Cardiovascular System
Arteries carry blood away from heart Veins carry blood back to heart Arteries become arterioles which become capillaries Capillaries is where exchange of nurtients, gases, and waste occurs Capillaries drop off carbon dioxide to be exhaled and leave with oxygenated blood Veins have thinner walls than arteries, have valves, are more numerous, hold more blood than arteries. ... Blood returning from lungs flows into left atrium then into left ventricle Large veins bring blood to atria call superior or inferior vena cava Large veins bring blood back to left atrium are pulmonary veins Large arterie...
- Word Count: 3244
- Approx Pages: 13
- Grade Level: Undergraduate