A 27-year-old man is breathing quietly. He then inhales as much air as possible and exhales as much air as he can, producing the spirogram shown in the previous figure. What is his expiratory reserve volume (in liters)? 

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#Question id: 11671

#Human Biology

Which process in the nephron is least selective?

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#Question id: 11674

#Human Biology

If ATP production in a human kidney was suddenly halted, urine production would:

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#Question id: 1567

#Human Biology

Which of the following cell types are responsible for initiating a secondary immune response?

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#Question id: 1568

#Human Biology

which one of these is not a characteristics  of B-cell?

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#Question id: 1569

#Human Biology

A bacterium entering the body through a small cut in the skin will do which of the following?

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#Question id: 1570

#Human Biology

Which cells and which signaling molecules are responsible for initiating an inflammatory response?