An upper room in the heart where blood enters.
What is the Atrium
Your body's transportation system. It moves blood, food, and oxygen all over your body.
What is the Circulatory System
The red liquid that flows through your body. It's like a liquid road for oxygen and food.
What is your Blood
A lower room in the heart that pumps blood out.
What is the Ventricle
Tubes that carry fresh, oxygen-rich blood away from your heart.
What are your Arteries
The tubes that carry blood. Think of them like tiny highways inside your body.
What are your Blood Vessels
One of the four separate rooms inside the heart.
What are the Chambers.
Tubes that carry used, oxygen-poor blood back to your heart.
What are Veins
A gas that your body needs to live. Your blood carries it to all your cells.
What is Oxygen
The body's pump. It pushes blood everywhere to keep you alive.
What is the Heart
Super tiny tubes that connect arteries and veins. This is where blood drops off oxygen and picks up waste.
What are Capillaries
The organs that take in air. They put oxygen into your blood.
What are Lungs