__________ is the hormone antagonist of insulin
Fill in the blank with the correct word.
Answer: Glucagon
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The portion of the sternum first seen on CT axial images arranged in a descending order is the ____________________.
Fill in the blank(s) with the appropriate word(s).
What kind of autonomic fibers are carried in the greater splanchnic nerve?
A. Preganglionic parasympathetic fibers B. Postganglionic parasympathetic fibers C. Myelinated fibers that run in the white communicating ramus D. Preganglionic sympathetic fibers E. Postganglionic sympathetic fibers
The following is a list of the events that occur during a muscle contraction. What is the correct sequence of these events?
1. Myosin cross-bridges bind to the actin. 2. The free myosin head splits ATP. 3. Calcium ion is released from the sarcoplasmic reticulum. 4. The myosin head pivots toward the center of the sarcomere. 5. Calcium ion binds to troponin. 6. The myosin head binds an ATP molecule and detaches from the actin.
Valves are found in some ________.
A. arteries B. capillaries C. veins D. arteries and veins