The CIRCULATORY System

The Circulatory system works by sends oxygen and nutrients to all cells in the body.

Parts

• The Heart
• Blood Vessels 

The Circulatory System works with the Respiratory System. The Respiratory System provides the Circulatory System with oxygen.

The heart is the main organ. The heart pumps blood through the body. It sends it everywhere.
Then the blood vessels take the blood where it needs to go.

Facts

• About 2,000 gallons of blood travel though the body
• An average adult has 5 to 6 quarts of blood
• Heart beats around 3,000,000,000 a  person's life
• In a tiny drop of blood, there are 5 million blood cells
• THousands of blood vessels in your body

Exercise of 30 minutes or more, most days of the week to keep your Circulatory System healthy.

A disease of this system is Cardiovascular Disease. It can be prevented by eliminating tobacco.