
Concept explainers
Describe the four tissue types found in animals.

To write:
The four types of tissues found in animals.
Introduction:
A tissue refers to a group of associated cells, which exhibit an identical function within an organism. There are four fundamental kinds of tissues found in the body of an animal and in the human body. These form all the organs, compositions, and other constituents of the body.
Explanation of Solution
The four basic kinds of tissues found in animals are:
1. Epithelial tissue: This kind of tissue is formed of tightly packed cells, which envelopes the surface of the body for secretion, protection, and absorption. The examples comprise the lining of the mouth and nose, the skin, and the lining of the digestive system.
2. Muscle tissue: This kind of tissue is formed of cells comprising contractile filaments, which move past each other and modify the size of the cell. There are three kinds of muscle tissues classified as smooth, skeletal, and cardiac muscle.
3. Nervous tissue: This kind of tissue is formed of neurons or the nerve cells which combine to form the nervous system, comprising the spinal cord and the brain.
4. Connective tissue: This kind of tissue is formed of various distinct cells, which take part in providing support and composition. The examples include fat, bone, blood, and cartilage.
The four kinds of tissues found in animals are epithelial tissue, muscle tissue, nervous tissue, and the connective tissue.
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