On the basis of the types of cells, amount of intercelluler material and their functions, animal tissues are classified into four types- Epithelial Tissue, Muscular Tissue, Nervous Tissue and Connective Tissue.
Functions:
1. Epithelial Tissue:- This tissue covers the outer surface of the body and lining the internal organs such as blood vessels, stomach, Intestines and windpipe.
2. Muscular Tissue:- This tissue helps in the movements of different parts of the body, such as hands, legs, alimentary canal, lungs, eyes and other parts of the body.
3. Nervous Tissue:- This tissue connects the brain to spinal cord and helps in the control and coordination of the body. It also transmits message to the brain.
4. Connective Tissue:- This tissue joins different parts of the body and provides support to them. It also fill up the space between various organs.
