Cardiovascular system

4. / ______ consists of plasma and blood cells
6. output / the measure of the amount of blood pumped out of the heart
8. / the exposure to cold environments causes
11. / side that pumps oxygen-rich blood to the entire body.
12. / the process of keeping the internal body environment in a steady state
14. / arteries and ____ transport blood around the body
15. / there are three stages of this including heat cramps, exhaustion and heat stroke
16. / widens or opens blood vessels
17. Cardiac Cycle / the cycle that involves filling the heart with blood

1. / the colour of blood cells that carry oxygen to working muscles
2. / removes water from the body
3. / The colour of blood cells that fight infection by absorbing and digesting disease-causing organisms.
5. / this reduces blood flow
7. / What blood pressure increases in the heart.
9. / have approximately 5-6 litres of blood in their bodies
10. Volume / The measure of how much blood is squeezed out of the heart
13. / facilitates blood clotting