Cardiovascular Crossword

4. cells that help form blood clots to stop bleeding
8. two upper chambers known as the
9. the cycle that involves filling the heart with blood
10. during exposure to cold environments, heat loss escapes through the skin
11. two lower chambers known as the
12. is the amount of blood pumped out of the heart per minute
14. form a major part of the immune system
16. develops when the body gains more heat than it loses.

1. carry oxygen to working muscles and other cells and remove carbon dioxide
2. literally means 'same state'
3. clear yellowish fluid that carriers nutrients
5. heart is referred to as a.....
6. a widening or opening of the blood vessels
7. reduces blood flow to tissues
13. make up the vascular network through which all blood flows to all parts of the body
15. is a measure of how much blood is squeezed out of the heart into the aorta