First-class levers ________
A) are typified by tweezers or forceps
B) are used when standing on tip-toe
C) in the body can operate at a mechanical advantage or mechanical disadvantage, depending on specific location
D) have load at one end of the lever, fulcrum at the other, and effort applied somewhere in the middle
C
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Which mineral is most important for muscle movement and is stored in the skeletal system?
a. magnesium b. iron c. calcium d. phosphorus e. boron
The collective term for the genital papilla and the urogenital orifice is the ________
A) urogenital sinus B) vulva C) broad ligament D) fimbriae
Which of the following organs is not contained within the abdominal cavity?
A) stomach B) small intestine C) ovary D) spleen E) pancreas
Which of these pairings is MISMATCHED?
thalamic neuron, third-order neuron sensory afferent, first-order neuron brain stem neuron, second-order neuron None of the listed responses is correct.