Across
- 2. The unoxygenated blood travels through here to get back to the heart
- 4. The vein walls expand to allow more blood flow towards the muscle
- 7. The vein walls constrict to allow the blood to stay with the vital organs important bodily function
- 9. The amount of blood pumped out of the left ventricle
Down
- 1. The system that distributes oxygen and releases CO2(Waste)
- 3. the amount of beats the heart beats per minute
- 5. Travels with red blood cells supplied through the air
- 6. Stroke volume x heart rate
- 8. The oxygenated blood is carried through the --- to get to the vital organs and muscles