Chapter 8

3. , serious condition that results when a person's body loses heat faster than it can produce it
6. , ______related: type of physical fitness a person needs to perform daily activities with ease and energy
8. , __________heart rate: the number of beats per minute a person's heart can achieve when working it's hardest; varies by age
9. , an injury to a ligament
11. , an acronym used to focus on the key fitness factors of frequency, intensity, time, and type
13. , type of brain injury that results from a blow or jolt to the head of upper body
14. , a person's heart rate
16. , physical activity that is structured, planned, and has the purpose of increasing physical fitness
17. , amount of energy the body uses per minute during an activity

1. , _____heart rate: the number of heartbeats per minute that is safe and effective for a given intesity
2. , serious injury in which bones move out of their normal position
4. , ________activity: any action in which the body uses energy
5. , activities that consist of sitting or lying down and using very little energy
7. , serious condition that results when the heat-regulating mechanisms of the body are unable to deal with the heat from the environment which results in a very high body temperature
10. , type of physical fitness that improves a person's performance in a particular sport of leisure activity
12. , brain chemicals released during physical activity that improve mood
15. , anaerobic activities done in groups of repetitions followed by rest