Which of the following is considered part of the appendicular skeleton?
a. The facial bones
b. The sacrum
c. The skull
d. The ulna
Answer: d. The ulna
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Which of the following is true of the vomer bone?
A) It forms part of the nasal septum. B) It is located lateral to the nasal septum. C) It is a part of the ethmoid bone. D) It supports the olfactory epithelium. E) It forms a part of the bridge of the nose.
Cells of the intestine are very permeable to water while some cells of the kidney tubule are not at all permeable to water. Can you suggest some ways these two types of cells might be structurally different from each other?
What will be an ideal response?
Two minerals that are especially important for health in females, but are often consumed in less than optimal amounts, are _____.?
A) ?calcium and potassium B) ?calcium and iron C) ?potassium and sodium D) ?sodium and calcium
What would be the effect on bone growth of insufficient dietary calcium?
A. The epiphyseal plates would ossify earlier in development. B. There would be no effect, since the body is able to synthesize calcium. C. The matrix would be softer. D. There would be increased formation of spongy bone. E. The bone would be less flexible.