Tissues

In biology, tissues are groups of similar cells that work together to perform a specific function. There are four main types of tissues in the human body: epithelial, connective, muscle, and nervous tissues.

Epithelial Tissue

Epithelial tissue covers the body surfaces, lines body cavities, and forms glands. It is composed of tightly packed cells with little to no extracellular matrix.

• Function: protection, absorption, secretion, and sensation
• Types: simple squamous, stratified squamous, simple cuboidal, simple columnar, pseudostratified columnar

Connective Tissue

Connective tissue provides support and structure to the body. It consists of cells, fibers, and a matrix.

• Function: support, protection, insulation, and transportation of substances
• Types: loose connective tissue, dense connective tissue, cartilage, bone, blood

Muscle Tissue

Muscle tissue is responsible for movement and generating force. It is made up of muscle fibers that contract in response to nerve signals.

• Function: movement, posture, heat production
• Types: skeletal muscle, cardiac muscle, smooth muscle

Nervous Tissue

Nervous tissue is composed of neurons and support cells. It is involved in the transmission of electrical signals and the integration of sensory input.

• Function: communication, coordination, control
• Types: neurons, neuroglia

Study Guide for Tissues

1. What are the four main types of tissues in the human body?
2. Describe the function of epithelial tissue.
3. List the types of connective tissue and their functions.
4. What is the main function of muscle tissue?
5. Identify the types of nervous tissue and their roles in the body.
6. Compare and contrast the structure and function of epithelial and connective tissues.
7. Explain the role of nervous tissue in transmitting sensory information.

[Tissues] Related Worksheets and Study Guides:

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