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Types of Tissue in the Body. Human Body Systems. Tissue Basics. Tissues are groups of cells that are similar in structure that work together to perform a specific function. There are four main tissue types.
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Types of Tissue in the Body Human Body Systems
Tissue Basics • Tissues are groups of cells that are similar in structure that work together to perform a specific function. • There are four main tissue types.
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Connective tissue • Fills internal spaces • Provides structural support • Stores energy
Connective Tissue • Connective tissue protects, supports, and binds together other body tissues. • Connective tissue is made up of different types of cells in varying amounts of a nonliving substance around the cells, called the matrix. • Examples of connective tissue include: • Bone • Cartilage • Adipose tissue (fat) • Blood
Epithelial tissue • Covers exposed surfaces • Lines internal passageways and chambers • Produce glandular secretions
Epithelium • Epithelium, or epithelial tissue, forms the linings, coverings, and glandular tissue of the body. • One type of epithelium forms the outer layer of the skin • Another type of epithelium lines the air sacs of the lungs • Cells in epithelium are packed tightly together to form continuous sheets
Muscle tissue • Contracts to support active movement
Muscle Tissue • Muscle tissue is specialized to contract and cause movement. • There are three main types of muscle tissue: • Skeletal muscle • Cardiac muscle • Smooth muscle • Can you guess the location and function of each muscle type?
Nervous tissue • Conducts electrical impulses • Carries information
Nervous Tissue • Nervous tissue is composed of specialized cells called neurons that receive and send electrical signals in the body. • Nervous tissue responds to stimuli and transmits impulses and together with supporting cells, makes up the brain, spinal cord, and nerves.