The single most abundant protein in the body is ________
A) hemoglobin
B) collagen
C) DNA
D) glucose
B
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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. two of these answers. e. all of these answers.
This figure shows respiratory control centers in the brainstem. What does number 3 indicate?
A. Central chemoreceptors B. Dorsal respiratory group C. Pontine respiratory center D. Ventral respiratory group
The coxal joint is an articulation formed by:
A) the head of the humerus and the glenoid cavity. B) the head of the femur and the acetabulum. C) the greater trochanter of the femur and the obturator foramen. D) the head of the radius and the humerus.
A harmful microorganism is called a __________
Fill in the blank(s) with correct word