Developmental morphogenesis of the human respiratory system can be categorized into:

a. three periods.
b. five stages.
c. 6 weeks.
d. 40 weeks.


ANS: B
Figure 9-1 shows the various stages of lung development, and Table 8-1 summarizes the major developmental events in each phase.

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The biceps brachii attaches to two places on the scapula and to one site on the radius. When the biceps brachii contracts, the radius moves and the arm bends at the elbow. The _______________ of the biceps brachii is where it attaches to the scapula. 

Fill in the blank(s) with the appropriate word(s).

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Which part of Medicare is also called Hospital Insurance?

A. Medicare Part A B. Medicare Part B C. Medicare Part C D. Medicare Part D

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The fraction 4/5 is considered a(n)

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Which of the following is a microorganism that can cause disease in humans?

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