Did You Know?
Your heart beats about 100,000 times a day!
How the Heart Works
The heart pumps blood to your body.
Where the Heart Is
Your heart is in the middle of your chest.
What the human heart Does
The heart sends blood to the body.
It brings air to your lungs.
It helps you run and play.
The heart keeps you strong.
It works all day and night.
Your heart needs to be healthy.
More About the human heart
The heart is very old. People have known about it for a long time. It is one of the most important parts of our body. The heart helps us live and stay active.
Every time you run or jump, your heart works hard. It pumps more blood when you play. This helps your body get the air it needs.
Did you know that some animals have different hearts? Fish have a heart that works in a special way. Each heart is made to help that animal live!
How Topics Connect
graph TD
A["Heart"] --> B["Muscular Organ"]
A --> C["Pumps Blood"]
C --> D["Blood Vessels"]
D --> E["Circulatory System"]
C --> F["Carries Oxygen"]
C --> G["Carries Nutrients"]
C --> H["Removes Waste"]
What Do These Words Mean?
muscular organ:A body part made of muscle that helps it move or work.
circulatory system:The system in the body that moves blood around.
metabolic waste:Unwanted materials produced by the body that need to be removed.
mediastinum:The space in the chest between the lungs.
