Biology, asked by Dilwalikudi, 11 months ago

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Answered by Anonymous
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Simple epithelium

Compound epithelium

• It is composed of only one layer of cells.

• It is mainly involved in the function of absorption and secretion.

• It is present in the lining of the stomach, intestine.

• It is composed of many layers of cells.

• It is mainly involved in the function of protection and has a limited role in absorption and secretion.

• It is present in the lining of the pharynx and buccal cavity.

(b)

Cardiac muscles

Striated muscles

• They are involuntary in function.

• They are multi-nucleate and branched.

• They are found only in the heart. • They are voluntary in function.

• They are multi-nucleate and unbranched.

• They are found only in triceps, biceps, and limbs.

(c)

Dense regular connective tissues

Dense irregular connective tissues

• In dense regular connective tissues, collagen fibres are present in rows between parallel boundless fibres.

• They are present in tendons and ligaments.

• In dense irregular connective tissues, fibres are arranged irregularly.

• They are present in the skin.

(d)

Adipose tissue

Blood tissue

• It is composed of collagen fibres, elastin fibres, fibroblasts, macrophages, and adipociytes.

• It helps in the synthesis, storage, and metabolism of fats.

• It is present beneath the skin.

• It is composed of RBCs, WBCs, platelets, and plasma.

• It helps in the transportation of food, wastes, gases, and hormones.

• It is present in the blood vessels.

(e)

Simple glands

Compound glands

• They contain isolated glandular cells.

• They are unicellular.

• Examples include goblet cells of the alimentary canal.

• They contain a cluster of secretory cells.

• They are multicellular.

• Examples include salivary glands

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