ï»¿ Give the summary of absorption in different parts of the Digestive System.Â  from Biology Digestion and Absorption Class 11 Assam Board

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Give the summary of absorption in different parts of the Digestive System.Â

The absorption takes place in the following way in different parts of the digestive system -Â

i. In mouth :Â Certain drugs are absorbed into the blood capillaries lining the mucosa of the mouth and the lower side of the tongue.Â

ii. In stomach : Absorption of water, simple sugars and alcohol takes place in the stomach.

iii. In Small Intestine : It is the principal organ for the absorption of pnutrients.Â The digestion isÂ completed here and the finalÂ products of digestion such asÂ glucose, fructose, fatty acids,Â glycerol and amino acids areÂ absorbed through the mucosaÂ into the blood stream andÂ lymph.
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iv. In Large intestine :Â Absorption ofÂ water, someÂ minerals andÂ drugs takesÂ place in the large intestine. .

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What is the order of arrangement of teeth in each half of the upper and lower jaw ?

TheÂ order of arrangement of teeth in each half of the upper and lower jaw is I,C,PM,M. Â I (incisors), C (cannine), PM (premolars), M (molars).
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What are Sanguivorous animals ?

The animals which suck blood e.g. leech, vampire bat, female mosquito etc.
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What is Diphyodont ?

Diphyodont is the condition of having two set of teeth during the life of an organism. For example : humans are diphyodont as they have two set of teeth namely temporary milk or deciduous teeth which are replaced by permanent or adult teeth.Â

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What is the function of enamel in digestion?

The enamel helps in the mastication of food.
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Name the fat soluble vitamins.

Vit A, D, E and Â are fat soluble vitamins.
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