Define systole
What will be an ideal response?
Contraction phase of the cardiac cycle.
You might also like to view...
Increasing levels of cortisol inhibit the release of corticotropin-releasing hormone (CRH)
Indicate whether this statement is true or false.
Which of the following is TRUE about a sphygmomanometer?
a. Increased pressure can determine surgery planes b. A cuff is used to measure tissue perfusion c. It is a blood pressure machine d. All of the above
If one of the functions of the capillaries is to supply body cells with oxygen and nutrients, you would expect the capillary walls to consist of
A. simple squamous epithelium. B. simple columnar epithelium. C. connective tissue. D. keratinized epithelium. E. stratified squamous epithelium.
The opening and closing of the heart valves is caused by
A. contraction and relaxation of papillary muscles that pull on heart strings. B. action potentials within the cusps of the valves. C. pressure changes of alternating contraction and relaxation during the cardiac cycle. D. contraction of the smooth muscle in the walls of the great vessels leaving the heart.