write the three types of specialised epithelial tissues and state their functions
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- Squamous E.T function - It protect our skin from external microbes and hazards.
- cilliated E.T function - it helps in the absorption of food present in the small intestine.
- Glandular E. T function - it helps in the secretion of sweat and oil glands.
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In Stomach:--
The wall of stomach contain gastric gland which secret gastric juice. Gastric juice contain Enzymes and an acid that is HCl which maintain the pH of stomach.
when the secretion of HCl increase causing acidity then NaHCO3 is used as antacid to maintain pH in Stomach.
In Small intestine:-
Small intestine receive the juices coming from liver, pancreas and of it own.
since pancreatic juice is acidic in nature it creates acidic medium but the secretion of liver that is bile juice is basic in nature form alkaline medium in small intestine.
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