Respiratory
This organ helps you breathe in oxygen and breathe out carbon dioxide.
What are the lungs?
This is where digestion begins when you chew your food.
What is the mouth?
This organ pumps blood through your body.
What is the heart?
These hard parts give your body shape and protect organs.
What are bones?
This organ controls everything you do, including thinking and moving.
What is the brain?
This tube carries air from your throat to your lungs.
What is the trachea (windpipe)?
This organ mixes food with acid to break it down.
What is the stomach?
This red liquid carries oxygen and nutrients in your body.
What is blood?
This is the place where two bones meet.
What is a joint?
These carry messages between your brain and body.
What are nerves?
This muscle helps you breathe by moving up and down under your lungs.
What is diaphragm?
This long tube carries food from your mouth to your stomach.
What is the esophagus?
These vessels carry blood away from the heart.
What are arteries?
These muscles work without you thinking, like your heart.
What are involuntary muscles?
This part of the nervous system runs down your back and carries messages.
What is your spinal cord?
This part of your respiratory system filters, warms, and moistens the air you breathe in through your nose.
What is your nasal cavity?
This organ absorbs nutrients from digested food.
What is the small intestine?
These vessels return blood to the heart.
What are veins?
These muscles are attached to your bones and help you move.
What are skeletal muscles?
This is the largest part of your brain, responsible for thinking and memory.
What is the frontal lobe?
These tiny air sacs in the lungs exchange oxygen and carbon dioxide.
What are alveoli?
This organ removes water from waste before it leaves your body.
What is the large intestine?
These tiny blood vessels connect arteries and veins.
What are capillaries?
This type of muscle makes up the walls of your heart.
What is the cardiac muscle?
This is the system that controls your senses, thoughts, and movements.
What is the nervous system?