Tissue Types

Anna Griffin

Epithelial Tissue

Epithelial tissue is composed of cells which are either squamous, cuboidal, or columnar and are arranged in either a simple or stratified fashion. The way the tissue is composed and arranged depends on whether the main function of the cell is for protection, for absorbing nutrients, for filtration and excretion, or for secretion. As shown in the picture below, stratified squamous epithelium is multiple layers of flat cells that form our skin. This type to tissue is the best for our skin because the multiple layers of cells are necessary to form a protective covering for our body.
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Connective Tissue

The different forms of connective tissue include bone, cartilage, dense connective tissue, loose connective tissue, and blood. Connective tissue connects, supports, and protects the body. It also insulates and transports substances throughout the body. For example, bone is hard and used to support the body, and blood is able to transport substances throughout the body.
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Muscle Tissue

There are three types of muscle tissue- skeletal, smooth, and cardiac. Skeletal muscle is found in the large muscles of our body and is used for voluntary movement. Smooth muscle is found in organ and blood vessel walls and helps to move blood, nutrients, and waste. Cardiac muscle is found in the heart and allows the heart to beat.

Nervous Tissue

Nervous tissue is found in the brain, spinal cord, and nerves. The function of nervous tissue is to transmit nerve impulses throughout the body.

Fact Source

-NCVPS Anatomy & Physiology Module 2 Lesson 1 Notes