1. The document defines tissue and identifies the four main types of tissues and their functions.
2. The four tissue types are connective, muscle, epithelial, and nervous tissue. Connective tissue connects and supports parts of the body. Muscle tissue contracts to allow movement. Epithelial tissue covers surfaces of the body. Nervous tissue carries signals between the brain and body.
3. Learning about the four tissue types is important because it explains how the body is structured and functions, allows doctors to treat illnesses, and is part of the district assessment.