The earlike extension of the atrium is the
A) ventricle.
B) coronary sinus.
C) coronary sulcus.
D) auricle.
E) interatrial septum.
D
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In the bending of the elbow ________
A) The brachialis is the prime mover B) The biceps brachii is the antagonist C) The triceps brachii is the synergist D) The biceps brachii is the prime mover
The type of muscle fiber that is most resistant to fatigue is the ________ fiber
A) fast B) slow C) intermediate D) anaerobic E) high-density
The middle layer of the mammalian tooth is a living tissue known as the __________
Fill in the blank with the correct word.
The three kinds of formed elements in blood are
A) red cells, brown cells, and white cells. B) red cells, fibroblasts, and brown cells. C) white cells, fibroblasts, and platelets. D) white cells, red cells, and platelets. E) mast cells, red cells, and white cells.