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Epithelial Tissue

Biology homew...

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Biology homework :- Functions of epithelium tissue (1) Epithelium tissue acts as a protective layer that protects the underlying organs from damage (2) It helps in healing of wounds and injuries (3) It helps in absorption of water, nutrients etc. (4) It is responsible for secretion of hormones (5) It plays an important role in separating the body from the external environment as to regulate the exchange of materials between the body and the external environment

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Q. Write true (T) or false (F):
(a) Epithelial tissue is protective tissue in animal body.
(b) The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue.
(c) Epithelial cells have a lot of intercellular spaces.
(d) Epithelial layer is permeable layer.
(e) Epithelial layer does not allow regulation of materials between body and external environment.

Q. Assertion :Stomach and intestine of our body has columnar epithelium. Reason: Columnar epithelium helps in secretion and absorption

Q. Fill in the blanks.

___________ epithelium is found in ducts of the glands to facilitate secretion and absorption, whereas ___________ epithelium found in the skin, performs the function of protecting the body.

Statement 1: Water is not an important nutrient.

Statement 2: Water helps in removal of wastes from the body.

Statement 3: Our body gets water from the liquid we drink like water, milk, tea etc.

Statement 4: Water helps our body to absorb nutrients.

Which of the following statements are correct?

Choose the correct option based on the following statements.

Statement 1: Water is an important nutrient.

Statement 2: Water helps in removal of wastes from the body.
Statement 3: Our body gets water from the water we drink, milk, tea, etc.
Statement 4: Water helps our body to absorb nutrient.

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