Cardiovascular
The main muscular organ responsible for pumping blood throughout the entire body.
What is the Heart?
The control center in your head responsible for memory, thoughts, and controlling movement.
What is the brain?
The main pair of organs in your chest that fill up with air when you breathe.
What are the lungs?
The body part where digestion begins.
What is the mouth?
Chemical messengers produced by body glands that travel through your blood.
What are hormones?
Blood vessels that carry oxygenated blood away from the heart toward body tissues.
What are arteries?
The scientific name for a specialized nerve cell.
What is a neuron?
The gas in the air that your body needs to take in to survive.
What is oxygen?
The organ that uses strong acid to turn swallowed food into a liquid mixture.
What is the stomach?
The hormone your body releases to lower blood sugar after you eat sweet or high-carb foods.
What is insulin?
These blood vessels bring blood back toward the heart.
What are veins?
The long bundle of nerves protected by your spine that connects the brain to the rest of the body.
What is the spinal cord?
The waste gas that your lungs remove from the body when you exhale.
What is carbon dioxide?
The food tube connecting the back of your throat directly to your stomach.
What is the esophagus?
The hormone responsible for the "fight-or-flight" response when you get scared or excited.
What is adrenaline?
The smallest blood vessels in the body where oxygen and nutrients pass directly into cells.
What are capillaries?
A rapid, automatic reaction to a stimulus that happens without thinking, like pulling your hand off a hot stove.
What is a reflex?
The official medical name for the windpipe that leads down to the lungs.
What is the trachea?
The long, narrow organ where most of the nutrients from food are absorbed into the blood.
What is the small intestine?
The organ that produces insulin to help balance blood sugar levels.
What is the pancreas?
The four internal rooms or compartments that make up the heart.
What are the left atrium, right atrium, left ventricle, and right ventricle?
The chemical signals that jump across the tiny gap between two neurons to send a message.
What are neurotransmitters?
The large muscle located underneath the lungs that moves down to help pull air into your chest.
What is the diaphragm?
The large organ that produces bile to break down fats and removes toxins from your blood.
What is the liver?
The "master gland" at the base of the brain that tells other glands when to release their hormones.
What is the pituitary gland?