Question

compare vilia and alveoli

Answer 1

alveoli [alveoli: Tiny air sacs in thelungs, where gas is exchanged during breathing.] cilia [cilia: Tiny hairs, which line the respiratory tract. They beat continuously to move mucus and dirt up the bronchi and trachea.] .



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Answer 2

villa are present in small intestine and use to absorb nutrients from food whereas alveoli is present in lungs and it is use for diffusion of gas ( oxygen and carbon dioxide )