1) Identify the feature of the small intestine that gives it a large surface area. a) Alveoli b) Villi c) Cilia d) Cells 2) Identify the feature of the lungs that gives it a large surface area. a) Alveoli b) Villi c) Cilia d) Cells 3) Which type of lining will result in a more efficient absorption of materials from the alveoli into the blood. a) Very thin b) Quite thin c) Quite thick d) Very thick 4) In order to maximise absoprtion of materials you need a.... a) small surface area b) medium surface area c) large surface area d) no surface area 5) Which of the following will result in the most efficient absorption of materials? a) thin wall and small surface area b) thick wall and small surface area c) thick wall and large surface area d) thin wall and large surface area 6) Which of the following will result in the most efficient absorption of materials? a) 0.1μm wall thickness b) 0.01μm wall thickness c) 0.1mm wall thickness d) 0.01mm wall thickness 7) Which of the following will result in the most efficient absorption of materials? a) 100m2 surface area b) 100cm2 surface area c) 10m2 surface area d) 10cm2 surface area 8) Which of the following will result in the most efficient absorption of oxygen into the blood. a) Distance of 0.1μm between alveoli and blood capillary.  b) Distance of 0.5μm between alveoli and blood capillary. c) Distance of 0.1mm between alveoli and blood capillary. d) Distance of 0.5mm between alveoli and blood capillary.

Absorption

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