The upper limb and its girdle are attached rather loosely to the rest of the body. This arrangement
A. results in a disjointed appearance.
B. limits fine coordination of the hands.
C. allows a wide range of movements.
D. restricts the amount of weight the upper limb can support.
E. results in a limited range of motion.
C
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After stretching an intrafusal fiber, the next event is
A) decreased sensitivity to stretching. B) an increase in action potentials along the associated sensory neuron. C) a decrease in muscle tension. D) a decrease in muscle tone. E) All of the answers are correct.
An ECG represents comparisons in __________ detected by electrodes at __________ points on the body surface, not the actual potential
Fill in the blank(s) with correct word
Under normal conditions, when _______ pressure becomes greater than _______ pressure, air will flow out of the lungs
a. intra-alveolar, atmospheric b. intra-alveolar, intrapleural c. intrapleural, intra-alveolar d. intrapleural, atmospheric e. atmospheric, intra-alveolar
Into which chamber do the pulmonary veins send blood?
right ventricle right atrium left ventricle left atrium