Tissues

What defines epithelial tissue?

Covers surfaces and lines cavities.

What is the function of simple squamous epithelium?

Allows diffusion and filtration.

How does stratified epithelium differ from simple epithelium?

Stratified has multiple layers for protection.

What is a key characteristic of connective tissue?

Contains a matrix with widely spaced cells.

What happens if epithelial tissue lacks a blood supply?

Nutrients must diffuse from nearby tissues.

What distinguishes skeletal muscle from smooth muscle?

Skeletal muscle is voluntary; smooth is involuntary.

What is the primary function of nervous tissue?

Controls communication and impulse transmission.

What type of cells are neurons?

Excitable cells that transmit impulses.

What role do glial cells play in nervous tissue?

Support and insulate neurons.

What is the function of transitional epithelium?

Allows stretching and expansion.

What are the main types of muscle tissue?

Skeletal, smooth, and cardiac.

What is the function of adipose tissue?

Stores fat and provides insulation.

How does blood function as connective tissue?

Transports oxygen, nutrients, and wastes.

What is a unique feature of cardiac muscle?

Contracts rhythmically and is involuntary.

What are the types of connective tissue?

Proper, cartilage, bone, and blood.