Levels of Organization
Name that Body System
Body Functions
More naming of the Body Systems
100

This is the smallest, simplest level of how things are organized in living things.

Cell

100

These two body systems work together to protect you from bacteria, viruses and other microorganisms that can cause disease.

Integumentary & Immune

100

The process by which systems try to maintain balance while adjusting to their environment.

The process by which systems try to maintain balance while adjusting to their environment.

100

I protect the vital organs. I give support to the body and provide a central framework.

Skeletal System

200

A group of similar cells that perform the same function.

Tissue

200

I am in charge of a group of organs that receives, transports, breaks down and absorbs food throughout the body. Which system am I?

Digestive System

200

This organ is responsible for the control of the body systems

Brain

200

I support the body and enable it to move. I also maintain the bodies ability to have a posture.

Muscular System

300

A collection of tissues that work together to perform a specific function.

Organs

300

I permit the exchange of gasses in the body.

Respiratory System

300

What three systems work together to move the body?

Skeletal, Muscular, Nervous

300

I collect the waste made in the body. As well as get ride of it.

Excretory System/Urinary System

400

A group of two or more organs working together to perform one or more functions.

Organ Systems

400

I deliver blood to the bodies tissues. Delivered through a network of veins arteries and capillaries.

Cardiovascular System/Circulatory System

400

I use the blood vessels to transfer Lymph. Lymph has white blood cells in it. My job is to fight off disease and to help you get well when you are sick.

Lymphatic System/Immune System

400

I regulate various body functions. I have glands and hormones. I am in charge of the bodies chemical messages.

Endocrine System

500

A group of organ systems working together to perform the functions of life, such as obtaining nutrition and reproduction.

Organism

500

I relay messages from the brain and send them throughout the body to aid in coordination of the body functions. I also let you do things like feel, and think.

Nervous System

500

My job is to ensure the species survives.

Reproductive System

500

I am in charge of protecting internal organs. I form a barrier between the external environment and the internal environment. I also help regulate temperature.

Integumentary System

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