Animals have tissues what are some of them called and what do they do?

Epitheial Tissue:

Covers the inside surfaces of the heart and blood essels that lead into and out of the heart.

Nervous tissue:

Carries eletrical messages from the brain to the heart.

Muscle Tissue:

Contracts, squeezing the heart so blood moves through the hearts chambers and then into blood vessels that lead to the body.

Connective Tissue:

Provides strength and flexiable support for muscle tissue and other structures inside ad outside the heart.