The document discusses the four main types of tissues that make up the human body: connective, muscle, nerve, and epithelial tissue. It focuses on bones and their main functions of support, protection, movement, mineral storage, and serving as sites for muscle attachment. There are four main types of bones: long bones, which make up the framework of the body; short bones, found in the wrist and ankle; flat bones, like those in the skull; and irregular bones, like vertebrae. Key features of long bones are described, including the shaft (diaphysis), ends (epiphyses), growth plates, and periosteum covering. Common anatomical landmarks found on bones are also defined, such as tub