What are the 4 major tissues and their functions?

What are the 4 major tissues and their functions?

There are 4 basic types of tissue: connective tissue, epithelial tissue, muscle tissue, and nervous tissue. Connective tissue supports other tissues and binds them together (bone, blood, and lymph tissues). Epithelial tissue provides a covering (skin, the linings of the various passages inside the body).

What are the functions of the 4 tissues?

Epithelial tissues act as coverings controlling the movement of materials across the surface. Connective tissue integrates the various parts of the body and provides support and protection to organs. Muscle tissue allows the body to move. Nervous tissues propagate information.

What type of tissue causes cancer?

Carcinomas, malignancies of epithelial tissue, account for 80 to 90 percent of all cancer cases. Epithelial tissue is found throughout the body. It is present in the skin, as well as the covering and lining of organs and internal passageways, such as the gastrointestinal tract.

Which is the most important tissue?

Connective tissue
Connective tissue is the most abundant tissue type in our body. It connects other cells and tissues together. It is typically found in our bones, cartilage, adipose, collagen, blood and many other areas in our body. This shows that connective tissue is very important in providing support and protection in our body.

What is the main characteristic of nervous tissue?

Nervous tissue is characterized as being excitable and capable of sending and receiving electrochemical signals that provide the body with information. Two main classes of cells make up nervous tissue: the neuron and neuroglia (Figure 4.5. 1 The Neuron).

What are the two main categories of connective tissues?

There are two subtypes of connective tissue proper; loose and regular. They differ in the structural layout of their extracellular matrix.

What kind of tissue is bone?

Bone is made up of compact tissue (the hard, outer layer) and cancellous tissue (the spongy, inner layer that contains red marrow). Bone tissue is maintained by bone-forming cells called osteoblasts and cells that break down bone called osteoclasts.

Why is it important to identify tissue types?

Research using tissue is essential to understand the causes of cancer, identify targets for treatments, discover biomarkers that can identify characteristics of a cancer and develop treatments that target a specific gene or signaling process.