What factor(s) distinguishes elite sprinters from non-elite performers?
A. stride length
B. stride frequency
C. both A & B
D. none of the above
B. stride frequency
You might also like to view...
A/an ________ system is a route in which blood flows through two capillary beds before returning to the heart.
Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT a characteristic of connective tissues in general?
A. The cells are packed tightly together, as they are in epithelial tissues. B. Most connective tissues are well-supplied with blood vessels. C. The ground substance can vary from liquid to solid. D. Connective tissues contain an abundance of extracellular matrix. E. All of these are characteristics of connective tissues in general.
Which of the following is NOT an action of cortisol secretion?
A. Inhibits glucose utilization B. Stimulates gluconeogenesis C. Promotes lipolysis D. Lowers blood levels of free fatty acids
The ________ pumps blood into the aorta.
A. right atrium B. right ventricle C. left ventricle D. left atrium