6. (b) cardiovascular system
7. (a) warm-up
8. (c) endurance
9. (b) muscular strength
10. (d) all of the above
1. (b) to deliver oxygen to the body (c) to remove carbon dioxide from the body
2. (d) diaphragm
3. (a) alveoli
4. (c) tar
5. (d) carbon monoxide
1 answer
1 answer