Answer the following statements true (T) or false (F)
1. The two key advantages of cross training are that it reduces the risk for overuse injuries and it decreases the boredom of participating in the same exercise every day.
2. Medical and fitness experts concur that stretching is an important part of an exercise program, designed to prevent injuries, reduce muscle tension, and promote flexibility.
3. The greatest improvements in flexibility occur as the result of stretching as a part of warm-up for cardiorespiratory and resistance training programs
4. Weight gain supplements used without activity still provide the desired pounds of extra weight.
5. Walking 10,000 steps a day can help people maintain and control their current weight.
1. TRUE
2. TRUE
3. FALSE
4. FALSE
5. TRUE
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Red blood cells carry oxygen from your lungs to the rest of your body. Normal red blood cell levels (RBC) for men are 4.5 million to 6.2 million cells/?l. If an RBC is reported to be 5.3 million cells/?l, how many red blood cells are in 1 ml of this blood?
A) 5.0 billion cells B) 5.4 billion cells C) 5.1 billion cells D) 5.5 billion cells E) 5.3 billion cells
More than 95% of dioxin exposure in humans is thought to occur through dietary intake of meat, dairy products, and seafood
Indicate whether the statement is true or false.
The 1.5-Mile Run Test and the 12-Minute Swim Test are considered ____
A) ?submaximal tests B) ?supramaximal tests C) ?maximal tests D) stress tests E) inconclusive tests
If the amount of energy expended is greater than the amount of energy taken in (as food), there is a
a. calorie balance. b. tendency to gain weight. c. negative calorie balance. d. tendency to maintain weight. e. none of the answers are correct