Skeletal System
This part of the skeleton is composed of several bones and protects the brain.
skull
These structures, also part of the skeletal system, crush that has entered the mouth.
teeth
These balloon like sacs that inflate and deflate, bringing air into and out of the body.
lungs
The blood vessels that carry oxygen-rich blood to the body.
Arteries
The name of your back bone
Spine
Food travels down this long tube from the mouth to the stomach.
Esophogus
This chemical is in the air we breathe and we need it to survive.
Oxygen
These disc shaped cells transport oxygen from the lungs to the other parts of the body.
red blood cells
The leg bone which connects to the hip.
Femur
The part of the digestive system where nutrients are absorbed into the body.
Small Intestine
This chemical is exhaled by animals, but plants "breathe" it in and use it to produce oxygen.
Carbon dioxide
The chamber in the heart that pushes blood out of the heart and to the other parts of the body.
Ventricle
These bones protect your heart and lungs.
Ribs
The part of the digestive system where water is water is absorbed and waste is made.
Large Intestine
A disease in the lungs caused by breathing in harmful chemicals.
Emphysema (or lung cancer)
The tiny blood vessels where nutrients and waste are exchanged through the walls of the blood vessels.
Capillaries
The internal, and spongy, portion of the bone that produces blood cells.
Marrow
Double Jeopardy: This chemical aids in digestion by speeding up chemical reactions.
Enzyme
Small sacks in the lungs which allow oxygen and carbon dioxide to move between the lungs and blood stream.
Alveoli
Double Jeopardy: These blood cells are a vital part of the body's immune system.
White blood cells