Animal Tissues

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The four major types of animal tissues are: 1. Epithelial tissue - covers and protects body surfaces 2. Connective tissue - provides support and connects organs 3. Muscular tissue - responsible for bo…

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A tissue that covers and protects the body from inside and outside. It forms the outer layer of skin, lining of mouth, blood vessels, lung alveoli, and kidney tubules. Cells are tightly packed with no…

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Squamous epithelium: Flat, thin cells found in mouth lining, blood vessels, lung alveoli - allows easy diffusion. Cuboidal epithelium: Cube-shaped cells in kidney tubules, salivary glands - provides m…

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Skin epithelial cells are arranged in layers to provide better protection against physical damage, harmful substances, and pathogens. The outer layers can be shed and replaced without exposing deeper …

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A loosely spaced tissue that connects, supports, and protects various organs in the body. It provides framework, transports materials between tissues, helps in body defense and repair, and stores fat.

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Areolar tissue acts like packing material that joins different tissues and keeps organs in place. It contains fibroblast cells that secrete fibrous material to hold tissues in position. It also helps …

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Adipose tissue stores fat and acts as an insulator, preventing heat loss from the body during cold weather. It forms a layer under the skin that reduces heat escape, helping maintain body temperature.

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Osteocytes are bone cells that secrete calcium phosphate and calcium carbonate salts, which make bones hard and strong. These cells are located in the bone marrow (central hollow portion of bones). Th…