How many types of tissues are found in animals? Name the different types.
In animal four types of tissues are found (a) Epithelium or Epithelial tissue (covering tissue): It forms outer protective covering all over the body. (b) Connective tissue (supporting tissue): It binds cells of other tissues in the body and give them rigidity and support. (c) Muscular tissue (contractile tissue): It helps the movement of the body by contraction and relaxation. (d) Nervous tissue: Its receiver stimulates and transmit the messages