Cells, Tissues, Organs, Organ Systems

The building blocks of all living things with specialized jobs.

A group of similar cells working together for a specific function

A group of tissues working together for a more complex job

A group of organs working together for a major life function

Type of movement that is occurs when you move your body in an uncontrollable and unintended way.

Movement is defined as movement that requires a conscious effort.

Walking and talking are considered voluntary movements.

Twitching and jumping when startled are examples of involuntary movements.

A tissue that protects you by forming the covering of all body surfaces,

line body cavities and hollow organs, are the major tissue in glands.

A tissue also stores fat, helps move nutrients and other substances between tissues and organs, and helps repair damaged tissue. This tissue is made up of cells, fibers, and a gel-like substance.