Skeletal and Muscular
Nervous
Circulatory and Respiratory
Digestive and Excretory
Endocrine and Reproductive
100

The framework of bones and other tissues that supports the body.

What is the skeletal system?

100

The body's message and control center. 

What is the nervous system?

100

The group of organs and tissues that carry needed materials to cells and remove their waste products. 

What is the circulatory system?

100

The group of organs that work together to break down foods into substances that your cells can use. 

What is the digestive system?

100

The system of glands throughout the body that regulate body functions. 

What is the endocrine system?

200

A strong, flexible tissue that allows joints to move easily, cushions bones, and supports soft tissue.

What is cartilage?

200

Cells that make up the nervous system.

What are neurons?

200

The muscle that acts as the pump for the circulatory system. 

What is the heart?

200

A digestive juice produced by the salivary glands in your mouth. 

What is saliva?

200

A group of cells,or an organ, that secretes a chemical substance. 

What is a gland?

300

Tissues that move parts of the body and control the organs.

What is the muscular system?

300

The nerves that connect the central nervous system to all parts of the body.

What is the peripheral nervous system?

300

The organs that supply your blood with oxygen.

What is the respiratory system?

300

The group of organs that work together to remove wastes.

What is the excretory system?

300

The body organs that make it possible to produce children.

What is the reproductive system?

400

The muscle found in the walls of your heart.

What is cardiac muscle?

400

A disease of the nervous system that is either inherited or caused by brain damage. 

What is cerebral palsy?

400

A passageway in your throat that takes air into and out of your lungs.

What is the trachea?

400

Organs that filter water and dissolved wastes from the blood and help maintain proper levels of water and salts in the body.

What is a kidney?

400

The joining of a male sperm cell and a female egg cell to form a fertilized egg.

What is fertilization?

500

This occurs when a bone is pushed out of its joint.

What is dislocation?

500

When signals in the brain do not send messages in the normal way.

What is epilepsy?

500

Two passageways that branch from the trachea, one to each lung. 

What is the bronchi?

500

A gland that helps the small intestine by producing pancreatic juice, a blend of enzymes that breaks down proteins, carbohydrates, and fats.

What is a pancreas?

500

Diseases that may make it impossible to produce children.

What is an STD?