Nervous System
Respiratory System
Digestive System
Skeletal System
Muscular System
100

The command center of the entire body that processes information.

What is the Brain?

100

The two main organs where oxygen is exchanged for carbon dioxide.

What are the Lungs?

100

A muscular sac that uses acid and enzymes to break down food.

What is the Stomach?

100

The "brain box" that protects your most vital organ from injury.

What is the Skull?

100

The muscle in your chest often called "pecs."

What are the Chest Muscles?

200

The long bundle of nerves that transmits signals between the brain and body.

What is the Spinal Cord?

200

The "windpipe" that connects the larynx to the bronchi.

What is the Trachea?

200

The long tube where most of the actual nutrient absorption happens.

What is the Small Intestine?

200

The longest and strongest bone in the body, located in the thigh.

What is the Femur?

200

The "gun" muscle on the front of your arm that you flex to show strength.

What is the Bicep?

300

These fiber-like structures carry electrical impulses to your muscles and organs.

What are Nerves?

300

The muscle at the base of the chest that tightens to draw air in.

What is the Diaphragm?

300

This large organ filters toxins from the blood and produces bile.

What is the Liver?

300

The cage-like structure that protects the heart and lungs.

What are the Ribs?

300

The large muscle on your backside that helps you sit and stand.

What is the Glute?

400

The part of the brain responsible for balance, posture, and coordination.

What is the Cerebellum?

400

Also known as the "voice box," it houses the vocal cords.

What is the Larynx?

400

The "food pipe" that uses peristalsis to move food to the stomach.

What is the Esophagus?

400

The series of small bones (vertebrae) that support your back.

What is the Spine?

400

The hard-working muscle that pumps blood through your veins.

What is the Heart?

500

The structure in the brainstem that controls "autopilot" functions like breathing.

What is the Medulla Oblongata?

500

Tiny air sacs where the actual gas exchange with the blood occurs.

What are Alveoli?

500

This organ absorbs water and salts, turning waste into solid stool.

What is the Large Intestine?


500

The soft tissue inside bones where new blood cells are created.

What is Bone Marrow?

500

The group of muscles in your stomach often called "abs."

What are the Abdominals?