Skeletal System
These hard structures protect our soft internal organs and give our body its shape.
What are bones?
This control center inside your head thinks, feels, and controls everything your body does.
What is the brain?
The main gas in the air that your body breathes in to survive.
What is oxygen/O2?
Digestion begins right here when your teeth chew food and mix it with saliva.
What is the mouth?
The strong muscular organ that acts as a pump, beating non-stop to move blood through your body.
What is the heart?
This cage of bones protects your heart and lungs from getting hurt.
What are the ribs/rib cage?
These wire-like pathways carry fast messages back and forth between your brain and your body.
What are nerves?
The two large, spongy organs in your chest that fill up with air when you breathe in.
What are the lungs?
The stretchy muscular bag that uses acid and churning motions to break down swallowed food into liquid.
What is the stomach?
The red liquid traveling through your body that carries oxygen and nutrients to all your cells.
What is blood?
The place where two or more bones meet, like your knee or elbow, allowing you to bend.
What is a joint?
An automatic, super-fast reaction (like pulling your hand off a hot stove) that happens before the message reaches your brain.
What is a reflex?
The tube (also called the windpipe) that carries air from your throat down into your lungs.
What is the trachea?
The food pipe tube that connects your mouth down to your stomach.
What is the esophagus?
Blood vessels that carry fresh oxygen-rich blood away from your heart to the rest of the body.
What are arteries?
This hard bony structure acts like a natural helmet to protect your brain.
What is the skull?
The main bundle of nerves running down your back inside your spine.
What is the spinal cord?
The dome-shaped muscle under your lungs that moves down when you breathe in to make room for air.
What is the diaphragm?
The long, winding tube where tiny nutrients from food are absorbed into the bloodstream.
What is the small intestine?
Blood vessels that carry oxygen-poor blood back to your heart.
What are veins?
Bones are held together at joints by strong, flexible bands of tissue called these.
What are ligaments?
Specialized nerve cells that receive and send messages throughout the body.
What are neurons?
The waste gas that your lungs remove from your blood and push out when you breathe out.
What is carbon dioxide/CO2?
The organ that absorbs water from remaining waste before it leaves the body.
What is the large intestine?
The tiny, microscopic blood vessels where oxygen and nutrients pass directly into body cells.
What are cappillaries?