During the late stages of ventricular diastole, the ________.
A) atria are contracting
B) AV valves are closed
C) ventricles are contracting
D) pressure in the ventricles does not change
E) the ventricles are filling
Ans: E) the ventricles are filling
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Which of the following is a potential consequence of kidney disease?
a. cardiac disturbances b. skeletal abnormalities c. anemia d. acidosis e. all of these answers.
Relaxation is facilitated by the release of passive tension that developed in cablelike ________ proteins that were compressed during contraction.
Fill in the blank(s) with the appropriate word(s).
Red blood cell production is regulated by the hormone ________ which is mostly produced in the ________
A) thymosin; thymus B) angiotensin; lungs C) erythropoietin; kidneys D) erythropoietin; liver E) renin; kidneys
Which of the following systems carries necessary compounds like oxygen and nutrients throughout the body?
A. nervous B. cardiovascular C. urinary D. lymphatic E. respiratory