Types of Tissue

Ashley Sexton

Epithelial Tissue

Epithelial tissue can be subcategorized by cell shape and then cell arrangement. The cells are all tightly compacted together which helps to form a protective barrier.

Epithelial tissue is the best tissue to cover the inside and outside of our body and to line cavities, glands, ducts, and blood vessels because epithelial tissue allows absorption which enables nutrients, waste, and other substances to be distributed throughout the body. For example, skin is composed of epithelial tissue since it provides a tough outer covering that protects our body which makes it the best tissue for its location and function.

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Connective Tissue

Connective tissue is the most abundant type of tissue and is made up of a matrix of living and non living cells. Connective tissue can be found between the spaces of organs since its extracellular matrix makes it able to cushion and protect organs. For example, bone is the most rigid type of connective tissue and its tree, ringlike appearance gives it strength.
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Muscle Tissue

There are three types of muscle tissue: skeletal, smooth, and cardiac. Skeletal muscles attach to bone which allows for body movement. Smooth muscles line organ walls and blood vessels which allows for movement of blood, food, and waste. Cardiac muscle is extremely thick and strong which allows for constant heart contractions.
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Nervous Tissue

Nervous tissue is the main component in the brain, spinal cord, and nerves because it can generate and transmit nerve impulses through neurons to stimulate body movement.
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