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Complete the following statement using the choices below. Air moves into of the lungs when the pressure inside the lungs is ________.

The terminus of the respiratory structures, main site of gas exchange in the lungs is the ________.

Proteins found in the blood that can stick to pathogens to make them more visible to the immune system in a process called opsinization. 

Ernest Hemingway was once challenged to write and entire novel in 6 words. It’s been a literary challenge ever since. In six words: sum up this entire unit.  (Be creative, humor is appreciated).

All of the following are distribution functions of blood EXCEPT:

Which of the following can be expected with polycythemia:

Breathing in as much air as possible after normal tidal inhalation is termed:

Water imbalances can have significant effects on our normal functioning (homeostasis). Answer the following questions on the types of water imbalances. Dehydration: is this a hypertonic, isotonic or hypotonic imbalance? would you expect to see an increase or decrease in the hormone renin? would you expect to see an increase or decrease in the hormone ADH? 

After absorption of a large meal, high levels of amino acids and glucose would be found in the:

Select all that apply: Which of the following are organs of the immune system