* Epithelial tissue: This tissue covers surfaces of the body, lines cavities and organs, and forms glands.

* Connective tissue: This tissue supports and binds other tissues together. It includes bone, cartilage, blood, and adipose tissue.

* Muscle tissue: This tissue is responsible for movement. It includes skeletal, smooth, and cardiac muscle.

* Nervous tissue: This tissue transmits electrical signals throughout the body. It includes neurons and glial cells.

So, the answer depends on which of these you are asking about.