Respiratory System
This tube connects your mouth and nose to your lungs.
What is the trachea?
Digestion begins here with teeth and saliva.
What is the mouth?
This is the framework of your body, made of bones.
What is the skeleton?
This organ pumps blood throughout your body.
What is the heart?
These creatures breathe through holes called spiracles.
What are bees?
These two organs fill with air when you breathe.
What are the lungs?
This organ churns food and mixes it with acids and enzymes.
What is the stomach?
These muscles move voluntarily and attach to bones.
What are skeletal muscles?
These carry oxygenated blood away from the heart.
What are arteries?
This creature uses gills to get oxygen from water.
What is a fish?
This dome-shaped muscle helps you breathe in and out.
What is the diaphragm?
This organ produces bile to break down fats.
What is the liver?
These bones protect your heart and lungs.
What are the ribs?
These tiny vessels exchange oxygen and nutrients with tissues.
What are capillaries?
This creature can breathe through its skin.
What is a frog?
These tiny air sacs in the lungs exchange oxygen and carbon dioxide.
What are alveoli?
This organ releases insulin to help control blood sugar.
What is the pancreas?
This bone in your upper arm connects to your shoulder.
What is the humerus?
Deoxygenated blood enters the heart here from the body.
What is the right atrium?
These creatures have hollow bones to help them fly.
What are birds?
These branch off from the trachea and lead into each lung.
What are the bronchi?
These long, coiled organs absorb nutrients and water from food.
What are the intestines?
This part of the bone system makes blood cells.
What is the bone marrow?
This chamber of the heart pumps oxygen-rich blood to the body.
What is the left ventricle?
This animal has four compartments in its stomach to help digest tough food.
What is a cow?