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The circulatory system 4th grade
raquel
Created on October 22, 2022
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Transcript
The circulatory system
Friday, november 17th, 2023WORK
What it is?
The circulatory system:
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1. The Circulatory System's job is to transport nutrients such as oxygen and carbon dioxide throughout the body to the cells.
What is it made up?
Parts and functions:
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1. The heart: Pumps blood to every parts of the body. 2. Arteries: They carry blood full of oxygen from the heart to all the parts of the body.
What is it made up?
Parts and functions:
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3. Veins: They return blood to the heart. This blood is darker because it has low oxygen.4. Lungs: They take the oxygen we need to live. 5. Capillaries: Are tiny vessels which connect arteries and veins.
HOW DOES THE CIRCULATORY SYSTEM WORK?
1. Our heart pumps blood to our lungs. Where the blood picks up oxygen. 2. Pulmonary veins return the blood to the heart and from then, the nutrient-rich blood travles through our red arteries down to our organs.
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HOW DOES THE CIRCULATORY SYSTEM WORK?
3. Oxygen leaves our blood and carbon dioxide enters our blood through microscopic tubes called capillaries. 4. Finally this nutrient-poor blood travels through to our blue veins back to the heart to repeat all over again.
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