What are tiny air sacs through which oxygen and carbon dioxide pass in and out of the bloodstream. alveoli bronchi pharynx larynx

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The maximum blood pressure in the upper arm of a healthy person is about 120 mmhg. if a vertical tube open to the atmosphere is connected to the vein in the arm of the person, determine how high the blood will rise in the tube. take the density of the blood to be 1040 kg/m3.

How much do the tanakas spend on health insurance premiums each year