Health Review Sheet
Chapter 3 – Physical Fitness
Vocabulary
Body Composition - The division of total body weight into fat weight and fat-free weight which includes
bone and muscle.
Insomnia - Temporary or continuous loss of sleep.
Brain Waves - Electrical patterns produced by the brain that fluctuate greatly during the sleep cycle.
Endorphins - A substance produced inside the brain that has pain killing effects. We produce these when
we exercise.
Exercise - Physical Activity that consists of a regular series of activities to train and strengthen the body.
Aerobic Exercise - Physical activity that increases the supply of oxygen to the muscles, and that can be
continued for a period of time without resting.
Aerobic Fitness - The ability to endure at least 10 minutes of moderate activity.
REM - Stands for Rapid Eye Movement - the dreaming part of the sleep cycle, in which the eyes move
back and forth rapidly under the eyelids.
Physical Fitness - The ability to perform daily tasks vigorously and to perform physical activities while
avoiding diseases related to a lack of activity.
Anaerobic Exercise - Physical activity that increases speed and muscular strength, and that cannot be
continued for a few minutes without stopping.
Flexibility - The ability to move muscles and joints through their full range of motion.
Anabolic Steroid - An artificially made, complex substance that can temporarily increase muscle size.
These can have very dangerous side effects.
Give 3 examples of Aerobic Exercises:
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Running, Walking, Biking, Swimming
Give 3 examples of Anaerobic Exercises:
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Push-ups, Lifting weights, Pull-ups, sit-ups
What are the 4 categories of Physical Fitness?
1.
2.
3.
4.
Aerobic Fitness
Muscular Strength and Endurance
Flexibility
Body Composition
What are 2 physical benefits of exercise?
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Increased strength, weight maintenance, heart health, increased energy, etc.
What are 2 mental benefits of exercise?
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Ability to cope with stress & anxiety, better control over mood swings, increased confidence,
better sleep,
Name 3 effects of steroid abuse.
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Liver damage, cancer, high blood pressure, damage reproductive system, facial deformities, violent
behavior, psychiatric problems
What are the 2 categories of sleep?
1. NREM (Non-rapid eye movement)
2. REM (rapid eye movement)
How much sleep do you need for a healthy night’s rest?
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High school students should get between 8-9 hours of sleep.
What effect do endorphins have on your body?
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They produce a sense of pleasure and make you feel good.
How do you know that you might need more sleep?
1. If you are irritable,
2. Having trouble concentrating
3. If you feel tired