Chapter 10

3. prepares the body for physical activity
7. ___ fitness ability of the heart and lungs to deliver oxygen and nutrients to muscles and cells
9. emergency where body temperature is too low
10. absence of the menstrual period
14. ability to continue performing an activity over time
19. when the body doesn't have enough fluid to function
20. (2 words) painful muscle spasms from overheating
23. freezing of the skin and body tissues
24. powering the body without the use of oxygen
26. brain injury from a blow or jolt to the head or upper body
27. (2 words) body's ability to perform daily activities
30. using oxygen to break down energy for use in the muscles
31. (2 words)any action in which the body uses energy

1. ___ fitness- body's ability to perform daily activities with ease and energy
2. brain chemicals that improve mood
4. injury to a ligament
5. broken bone
6. ___fitness- ability to perform successfully in a particular sport or leisure activity
8. Physical Activity Guidelines for Americans- recommendations for nutrition and physical activity from the US government.
11. ___ heart rate- number of beats per minute that is safe and effective
12. when bones move out of their normal positions
13. structured, planned, and intended to improve physical fitness
15. helps the body wind down after physical activity
16. heat ____ nausea, dizziness, weakness, headache, disorientation and fainting from an overheated body
17. (2 words)act of participating in various types of physical activity to improve skill in another type
18. ability to fully and easily move the joints
21. medical emergency from an overheated body
22. amount of energy the body uses per minute during an activity
25. sitting or lying down and using very little energy
28. ability to rapidly change the body's momentum and direction
29. ___ heart rate- number of heartbeats per minute when the heart is working its hardest