Which of the following cell types is directly responsible for building new bone material?
a. osteoblasts
b. osteoclasts
c. osteocytes
d. chondrocytes
Answer: a. osteoblasts
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An important mechanism that controls metabolic pathways under physiological conditions is
A. negative feedback. B. positive feedback. C. signal transduction. D. genetic control.
Somatic motor neurons in the spinal cord control all of the following muscles except those that
A) position the pectoral girdle. B) move the arm. C) move the hand and fingers. D) move the face. E) move the forearm and hand.
The pineal gland
A. frequently calcifies at an early age. B. is below the hypothalamus. C. is the master gland of the body. D. a, b, and c
A(n) ____________________ energy balance occurs when the amount of energy in food intake equals the amount of energy expended by the muscles performing external work
Fill in the blank(s) with correct word