Body Composition

What percentage of the human body is water?

• 25%

• 50%

• 60-75%

• 95%

The human body is composed of bone, muscle, and ______?

• Fat

• Organs

• Nerves

• Skin

A healthy adult has what range of body fat?

• 10-20%

• 20-35%

• 35-50%

• 50+%

Which of the following statements are true about 5lbs of muscle and 5lbs of fat?

• Fat takes up more space than muscle.

• Muscle is 18% more dense than fat.

• Both muscle and fat are important to the body.

• All of the above

There are over 600 muscles in the body. What is their primary function?

• Movement and strength

• Speed

• To stand upright

• To protect bones

80% of all muscle and bone is made of what substance?

• Phosphorous

• Calcium

• Zinc

• Protein

How much water should a teenager drink each day?

• 1 bottle of water

• 2 bottles of water

• 3 bottles of water

• 4+ bottles of water

Muscles get stronger by which of the following:

• by getting torn and rebuilt

• The more frequently they are used

• the muscle fibers ripping and then fusing again

• All of the above

One of the best foods for building muscle mass is ...

(a)  

Of all the foods found in the average American grocery store, what % of those foods have added SUGAR?

• 20

• 40

• 60

• 75