Tissue types

Epithelial, connective, muscular, nervous

Epithelial Tissue

These cells form the outer layer of the skin. It has dense population of cells connected to each other. The cells also line internal organs. The dense population allows for a protective layer. This tissue is in the best location for its function. As the outer layer of the body, making up the skin, it is one of the body's first defenses against pathogens.

Muscular Tissue

There are three types of muscle tissue; skeletal, smooth and cardiac. Smooth muscle lines organs and is an involuntary muscle, Skeletal is used in the movement of skeletal parts. Cardiac muscle is responsible for the beating of the heart.

Connective Tissue

Made of sparse population of cells. Its functions are support and protection. Connective tissue includes ordinary loose connective tissue, fat tissue, dense fibrous tissue, cartilage, bone, blood, and lymph, which are all considered connective tissue.

Nervous Tissue

This tissue is meant to receive stimuli and conduct impulses from parts of the body. Neurons are long and string like, allowing for quick sending of pulses.