Circulatory
This organ pumps blood throughout your body.
What is the heart?
Food first enters this organ where chewing begins.
What is the mouth?
You breathe air in through this (or your mouth).
What is the nose?
The main function is to detect changes and send messages to respond.
What is the nervous system?
Main function: remove wastes from blood and maintain water balance.
What is the urinary (or excretory) system?
These carry oxygen-rich blood away from the heart.
What are arteries?
This long tube connects your mouth to your stomach.
What is the esophagus?
These two spongy organs are where gas exchange happens.
What are the lungs?
This is the main control center of the body.
What is the brain?
Two bean-shaped organs that filter waste from blood.
What are the kidneys?
The main function of this system is to transport oxygen, nutrients, and waste.
What is the circulatory system?
Most nutrients are absorbed in this coiled organ.
What is the small intestine?
This tube carries air to the lungs (also called the windpipe).
What is the trachea?
Long cord that carries messages between brain and body.
What is the spinal cord?
This organ stores urine until you go to the bathroom.
What is the bladder?
These tiny vessels allow nutrients and oxygen to pass into cells.
What are capillaries?
This organ produces bile to help break down fats.
What is the liver?
Tiny air sacs in the lungs where oxygen enters the blood.
What are alveoli?
These carry signals to and from the brain.
What are nerves?
The liquid waste produced by the kidneys.
What is urine?
This liquid part of blood helps carry nutrients and fight germs (but it's not red blood cells).
What is plasma?
The main function of this system is to break down food and absorb nutrients.
What is the digestive system?
This muscle below the lungs helps you breathe in and out.
What is the diaphragm?
Cells that transmit electrical signals in the nervous system.
What are neurons?
Tubes that carry urine from kidneys to bladder.
What are ureters?