Biology, asked by Anonymous, 8 months ago


Q.9. How are the alvenli designed to maximise the exchange of gases ?

Q.9. what what is the role of saliva in the digestion of food?


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Answers

Answered by Anonymous
1

alveoli have very thin capillary that helps to increase surface area

saliva contains salivary amylase which helps in conversion of starch to maltose

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Answered by UdayAshish
1

alveoli are small pouches in our lungs which are packed tightly gaseous exchange will happen at this place if we calculate all the surface area of the lungs, it will be the size of a football field

saliva contains the enzyme called salivary amylase

it will digest and breakdown carbohydrates in the food

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