Final answer:
The four types of human body tissues include epithelial, connective, muscle, and nervous tissues, each with distinct functions like protection, support, movement, and communication.
Step-by-step explanation:
The human body is composed of four main types of tissues: nervous tissue, epithelial tissue, connective tissue, and muscle tissue. These tissues are crucial for various body functions, including protection, support, movement, and communication. Nervous tissue consists of neurons that transmit impulses or signals throughout the body. These neurons are responsible for responding to stimuli and propagating electrical signals to communicate between different body parts. Epithelial tissue forms the lining of internal organs and the body's surfaces, protecting and secreting substances. Connective tissue provides structural support and integrates bodily components, and can be found in forms like bones and cartilage. Muscle tissue, which can be skeletal, cardiac, or smooth, facilitates movement by contracting in response to stimulation.