The type of muscle fatigue known as "psychological fatigue" is the result of
A. depleted ATP reserves.
B. increased calcium ion concentration in the sarcoplasm.
C. decreased levels of acetylcholine.
D. the emotional state of an individual.
E. None of these choices is correct.
D
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________ is the extracellular component of connective tissues.
Fill in the blank(s) with the appropriate word(s).
The story of Balkan endemic nephropathy indicated that
A) drinking too much alcohol can strain the kidneys. B) a terrorist can poison peoples' urinary systems by putting bacteria in the water supply. C) a toxin in food can damage kidneys and cause cancer in the urinary tract. D) kidney disease only affects people in Croatia.
The ____________________ cerebral hemisphere excels in logical, analytical, sequential, and verbal tasks, such as math, language forms, and philosophy
Fill in the blank(s) with correct word
With the type of lever system exemplified by flexion of the elbow joint, when an object is held in the hand, the
a. power arm of the lever is the distance between the elbow joint and the insertion of the biceps muscle b. load arm of the lever is the distance between the elbow joint and the hand c. velocity and distance moved by the hand is amplified at the expense of the biceps muscle having to exert considerably greater force than the actual load that is moved d. answers a, b, and c are correct e. answers a and b are the only correct answers