Tissues

Definition

Tissues are groups of similar cells that work together to perform a specific function. They are fundamental building blocks in multicellular organisms, contributing to the structure and function of organs.

5 Must Know Facts For Your Next Test

1. There are four primary types of tissues in animals: epithelial, connective, muscle, and nervous.
2. Epithelial tissue covers body surfaces and lines body cavities.
3. Connective tissue supports and binds other tissues; examples include bone, blood, and fat.
4. Muscle tissue is responsible for movement; it includes skeletal, cardiac, and smooth muscle tissues.
5. Nervous tissue is involved in receiving stimuli and transmitting nerve impulses throughout the body.

Review Questions

• What are the four primary types of tissues found in animals?
• Which type of tissue is responsible for covering body surfaces?
• Give an example of connective tissue and explain its function.

Related terms

epithelial tissue:

Tissue that covers surfaces and lines cavities in the body.

connective tissue: Tissue that supports, protects, and binds other tissues together.

nervous tissue:

Tissue made up of neurons that transmit nerve impulses throughout the body.