Which of the following is true about skeletal muscle fibers in aging people?
A) The number of fibers decreases.
B) There is a decreased density of capillaries that supply muscle cells.
C) The number of motor neurons that innervate skeletal muscle decreases.
D) All of the above.
Answer: D) All of the above.
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The pituitary, thyroid, and adrenal glands are typically grouped within the __________ system
Fill in the blank with correct word.
Which of the following is most important in preventing choking?
A. Extrinsic muscles of the larynx B. Glottis C. Epiglottis D. Soft palate E. Vocal folds
The ________ suture is found between the occipital and parietal bones.
Fill in the blank(s) with the appropriate word(s).
The greater the ligand concentration needed to achieve 50% saturation of a particular binding site, the higher the affinity of the binding site for that ligand
Indicate whether the statement is true or false.