The integumentary system ________
A) is a site for blood-cell formation
B) breaks down ingested food
C) protects the deep organs from injury and drying out
D) contributes to the acid-base balance of the blood
Answer: C
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Which of the following is a degenerative joint disease in which joint cartilage is gradually lost due to a combination of aging, obesity, wear and abrasion of the joints?
a) gouty arthritis b) Lyme disease c) bursitis d) osteoarthritis e) synovitis
Which of the following cells may eventually become spermatozoa?
a) Sertoli cells b) Sustentacular cells c) Spermatogonia d) Chief cells e) Speciation cells
A movement of the foot that turns the sole outward or laterally is called
a. dorsiflexion. b. inversion. c. eversion. d. plantar flexion.
Which of the following accompanies puberty?
A) male climacteric, or andropause B) menarche C) female climacteric, or menopause D) atresia