Organ Systems

This tissue functions in movement. Movement results when cells contract and then relax. In some cases, you control the movement, such as throwing a ball. In other cases, the movement occurs without conscious control.

What level of organization does the image represent?

What level of organization does the image represent?

Name the body's most simple level of organization

This tissue functions as a messaging system. Cells in this tissue carry electrical impulses between your brain and the various parts of your body. This all happens in response to changing conditions.

What level of organization does the image represent?

A group of organs. The organs work together. They help the body meet its needs for energy and materials.

This tissue functions to hold parts of the body together. This tissue provides support, protection, strength, padding, and insulation. Tendons and ligaments are examples; they hold bones and muscles together.

A group of tissues in a plant or animal. The tissues work together. They have a certain job.

A tiny unit that can do the basic things of life. It is the basic unit of life. All living things are made of these.

What level of organization does the image represent?

The way your body works to maintain stable conditions. Your body regulates its temperature and the amount of sugar in your blood. The body needs a stable internal environment for health and life.

This tissue functions as a boundary. It covers all of the inner and outer surfaces of your body. This tissue covers each of your internal organs.

Complete the space with the correct level of organization: cells, _________, organs, organ systems, organism.

A group of like cells. A group of cells that work together to do a certain job.