C. Delirium
He is getting surgery for his hip and was medicated. The medicine made him delirious, that why it only why he was in the hospital
Answer:
Phagocytic defense in the normal lung is shared principally by two kinds of cells - alveolar macrophages that reside on the air surface and roam the alveoli and PMNs that circulate in the intravascular space or are stored transiently in areas adjacent to the capillary-alveolar interface (marginated in capillaries)
Explanation:
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Evolution would be the answer you may be looking for.
The steeper the slope of the track the quicker the toy car will accelerate.
