Tissues are groups of cells that work together to perform a specific function in the body. They can be categorized into four main types: epithelial, connective, muscle, and nervous tissues.
Related terms
Epithelial tissue: This type of tissue covers and protects the surfaces of organs and body cavities.
Connective tissue: Connective tissue supports and connects different structures in the body.
Muscle tissue: Muscle tissue is responsible for movement and contraction throughout the body.