digestive system, respiratory system, circulatory system
esophagus
tube that connects the mouth to the stomach.
stomach
where mechanical and chemical digestion takes place to break down food.
small intestines
where chemical digestion and absorption of nutrients takes place.
large intestines
where water is absorbed into the blood and waste is eliminated.
liver
produces bile.
gallbladder
stores bile.
pancreas
produces enzymes that break down starches, proteins, and fats.
nose
cleans, warms, and moistens the air.
pharynx
back of the throat where air passes from your nose to the trachea.
larynx
voice box where the vocal cords vibrate when air passes of them.
trachea
windpipe where air passes from the pharynx to the lungs.
lungs (respiratory system)
the main organ where air comes in and goes out.
diaphragm
muscle at the base of the lungs that expands and contracts when you inhale and exhale.
bronchi
passages that directs air into the lungs.
alveoli
tiny sacs where the gases carbon dioxide and oxygen are exchanged between the air and blood.
heart
pumps the blood to the rest of the body
arteries
takes blood away from the heart.
veins
brings blood back to the heart.
lungs (circulatory system)
provides oxygen to the blood and removes carbon dioxide from the blood to breathe out.