Answer:
In biology, a tissue is a group of similar cells that work together to perform a specific function. Tissues are the building blocks of organs and organ systems in multicellular organisms. There are four main types of tissues in animals: epithelial, connective, muscle, and nervous tissue.
Epithelial tissue covers the surfaces of the body, lines internal organs and cavities, and forms glands. It serves as a protective barrier, regulates the exchange of materials between the body and the environment, and secretes and absorbs substances.
Connective tissue provides support and structure to the body, connects and anchors organs and tissues, and stores energy. It includes bone, cartilage, blood, adipose tissue, and fibrous connective tissue.
Muscle tissue is responsible for movement and generates force. There are three types of muscle tissue: skeletal, smooth, and cardiac.
Nervous tissue is specialized for communication and coordination. It consists of neurons and supporting cells, and is responsible for transmitting and processing information throughout the body.
Understanding the different types of tissues and their functions is essential for comprehending the structure and function of living organisms.
Step-by-step explanation: