Skeletal System
Digestive System
Respiratory System
Nervous System
Circulatory System
100

This part of the skeleton is composed of several bones and protects the brain.

What is the skull?

100

This protein substance starts amylase digests carbs in the mouth

What is an enzyme?

100

These balloon like organs that inflate and deflate, bringing air into and out of the body.

What are the lungs?

100

Tiny cells which send signals to the brain. They are also known as nerve cells.

What are neurons?

100

These cells originate in the bone marrow and  transport oxygen from the lungs to the other parts of the body.

What are red blood cells?

200

protects and supports organs and allows for movement

What is the skeletal system?

200

Food travels down this long tube from the mouth to the stomach.

What is the esophagus?

200

Small sacks in the lungs which allow oxygen and carbon dioxide to move between the lungs and blood stream.

What are aveoli?

200

The central nervous system is composed of the brain as well as this long structure that extends down the back and is the connector between the brain and all other parts of the body.

What is the spinal cord?

200

Double Jeopardy: These blood cells are a vital part of the body's immune system.

What are white blood cells?

300

Inner portion of bone where Red blood Cells are formed.

What is the bone marrow?

300

The millions of tiny finger-shaped structures that cover the inner surface of the small intestine and provide a large surface area through which digested food is absorbed.

What are the villi?

300

This chemical is in the air we breathe and we need it to survive.

What is oxygen?

300

Bundles of fibers found throughout the body that sends electrical impulses to and from the brain to the other body structures.

What are nerves?

300

The chamber in the heart that pushes blood out of the heart and to the other parts of the body.

What is the ventricle?

400

The system that connects the bones with ligaments, tendons and cartilage 

What is the muscular system?

400

Double Jeopardy: This chemical aids in digestion in the stomach and digests proteins

What is pepsin?

400

This chemical is exhaled by animals, but plants "breathe" it in and use it to produce oxygen.

What is carbon dioxide?

400

A long, slender projection of a nerve cell that typically conducts electrical impulses away from the cell's body.

What is a dendrite?

400

Part of the circulatory system and a vital part of the immune system that carries a clear fluid called lymph towards the heart.

What is the lymphatic system?

500

The tail bone or coccyx is thought to be part of  bone that is no longer used in the skeletal system and it is called a ?

What is a vestigial organ?

500

Most of the absorption of fats, carbs and proteins occurs in the 

What is the small intestine?

500

A disease in the lungs caused by breathing in harmful chemicals.

What is emphysema (or lung cancer)?

500

The space between 2 neurons

What is a synapse?

500

These chambers bring blood into the heart from elsewhere in the body.

What are the atria (singular: Atrium)?