What does "C" represent on the diagram?
A. Cross-bridge
B. Myosin myofilament
C. Sarcomere
D. Z disk
E. Actin myofilament
Answer: A
Anatomy & Physiology
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Centrifugal force is a misnomer. What is really happening when you feel a pull to the outside while rounding a curve?
A. centripetal force B. inertia C. both A and B D. none of the above
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Explain how to restrain a snake
What will be an ideal response?
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Increased vagal stimulation would cause
A. the heart rate to increase. B. the heart rate to decrease. C. force of contraction to increase. D. stroke volume to increase. E. no change in heart rate, stroke volume, or force of contraction.
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This figure shows the muscles of facial expression. What muscle does number 4 indicate?
A. Orbicularis oris B. Zygomaticus major C. Risorius D. Masseter E. Buccinator
Anatomy & Physiology