The amount of oxygen that is used by the body during rest or a vigorous workout is determined by the heart rate, the stroke volume, and the amount of _____.
A. blood circulating in the body
B. oxygen removed from the vascular system
C. oxygen provided to the vascular system
D. low-density lipoprotein cholesterol in blood
E. lactic acid produced in the body
Answer: B
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Characteristics of friendships include all of the following, EXCEPT
A. respect. B. trust. C. dependence. D. loyalty.
Answer the following statements true (T) or false (F)
1. A thrombus is a blood clot forming within a blood vessel. 2. Myocarditis is inflammation of the sac around the heart. 3. Hemorrhoids occur in the anal veins. 4. Hypertension means low blood pressure. 5. An increase in the blood levels of cardiac biomarkers may indicate damage to the heart muscle.
With respect to teacher position,
A. teachers should continuously circulate and never stop at any area of the work area. B. teachers should never get caught in the middle of the group for long periods of time. C. teachers should stay on the outskirts of the work area. D. teachers should find a home base and stay there so the students know where you are.
The USDHHS Physical Activity Guidelines for Americans (2008 ) reports that for adults most health benefits occur with at least 150 minutes a week of vigorous-intensity physical activity
Indicate whether the statement is true or false