CIRCULATORY SYSTEM
This organ pumps blood through the body.
What is the heart?
These are the two main organs used to breathe.
What are the lungs?
Digestion begins in this organ.
What is the mouth?
These protect organs and give your body shape.
What are bones?
This system controls and coordinates the body.
What is the nervous system?
These carry blood away from the heart.
What are arteries?
Air travels from the trachea into these two tubes.
What are the bronchi?
This tube carries food from the mouth to the stomach.
What is the esophagus?
These connect bones to other bones.
What are ligaments?
The brain and spinal cord make up this system.
What is the central nervous system?
These carry blood back to the heart.
What are veins?
Tiny air sacs where oxygen enters the blood.
What are alveoli?
This organ uses acid and enzymes to break down food.
What is the stomach?
These connect muscles to bones.
What are tendons?
This system includes all the nerves outside the brain and spinal cord.
What is the peripheral nervous system?
These tiny vessels connect arteries and veins.
What are capillaries?
This muscle helps you breathe by moving up and down.
What is the diaphragm?
Most nutrients are absorbed here.
What is the small intestine?
This tissue allows smooth movement between bones.
What is cartilage?
These cells send electrical signals through the body.
What are neurons?
This type of blood is low in oxygen.
What is deoxygenated blood?
This tube connects your throat to your lungs.
What is the trachea?
This organ produces bile to help digest fats.
What is the liver?
This imaging test shows detailed pictures of bones.
What is an X-ray?
These are the branch-like parts of a neuron that receive messages.
What are dendrites?