Which is the most likely effect of physical endurance training on a person's cardiac performance?
A. a decrease in cardiac output
B. an increase in maximal stroke volume
C. an increase in maximal heart rate
D. an increase in resting heart rate
E. an increase in cardiac output when the person is at rest
B
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Hillary could not suckle milk properly due to the inability to protrude her tongue. The physician diagnosed her with
A) mumps. B) gastritis. C) diverticulitis. D) glossopharyngitis. E) ankyloglossia.
Which vessels can act as a blood reservoir by adjusting their total capacity to accommodate variations in blood volume?
a. lymph vessels b. arterioles c. capillaries d. veins e. lymph vessels and veins
Which of these is NOT part of a cell?
A. Plasma membrane B. Cytoplasm C. Nucleus D. Protozoa
Name and describe the shallow depressions and grooves found on the heart's external surface
What will be an ideal response?