Tissue

 Tissue:

Is a cellular organizational level intermediate between cells and a complete organ.

Connective tissue: A tissue  usually of mesoblastic origin that connects, supports, surrounds other organs etc

Epithelial tissue: Any animal tissue that covers a surface or lines a cavity , and that in addition performs any pf various secretory ,transporting or regulatory system.

Muscular tissue:  A tissue characterized by the ability to contract upon stimulation.

is a cellular organizational level intermediate between cells and a complete organ.

Nerve tissue: A highly  differentiated composed of nerve cell,nerve fiber, dendrites and neuroglia.