Blood enters the right atrium from the:
A) left and right pulmonary veins
B) left and right pulmonary arteries
C) superior and inferior vena cavae, and the coronary sinus
D) ascending aorta
Answer: C) superior and inferior vena cavae, and the coronary sinus
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Predict what would happen to the end systolic volume (ESV) if contraction force were to increase.
A. It would decrease. B. It would increase. C. It would remain constant. D. ESV is not affected by contraction force.
The skin is attached to the muscles of the body by the ________ layer.
A. epidermis B. dermis C. hypodermis D. subcutaneous
The last part of interphase is called
A. the first "gap" phase. B. the second "gap" phase. C. telophase. D. the S phase. E. anaphase.
Which of the following muscles are antagonists?
A) biceps brachii and triceps brachii B) biceps femoris and biceps brachii C) vastus medialis and vastus lateralis D) masseter and temporalis E) gastrocnemius and soleus