Which of the following is a cardiovascular adaptation to physical training?
A) Increased resting heart rate
B) Increased ventilation rate
C) Increased stroke volume
D) Increased muscle hypertrophy
C
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A ______________ conserves natural resources and can be maintained indefinitely.
Fill in the blank(s) with the appropriate word(s).
Which amino acids contain sulfur and contribute to the tertiary structure of protein?
a. Methionine and cysteine b. All amino acids contain some sulfur. c. Phenylalanine and tryptophan d. Leucine, isoleucine, and valine
In their efforts to avoid regaining the weight they have lost, members of the National Weight Control Registry tend to ________.
A. exercise for at least 30 minutes daily B. weigh themselves only once a month C. eat breakfast daily D. limit television viewing to no more than 20 hours/week
In the cell structure, the ____ provides support and controls the movement of cell organelles
A) ?endoplasmic reticulum B) ?mitochondrion C) ?cytoskeleton D) ?matrix space