Название: Lesson on Blood Circulation - Biology 4th Grade | Children's Biology Books
Автор: Baby Professor
Издательство: Ingram
Жанр: Учебная литература
isbn: 9781541909168
isbn:
Lesson on Blood Circulation
Biology 4th Grade
Children’s Biology Books
Speedy Publishing LLC
40 E. Main St. #1156
Newark, DE 19711
www.speedypublishing.com
Copyright 2016
All Rights reserved. No part of this book may be reproduced or used in any way or form or by any means whether electronic or mechanical, this means that you cannot record or photocopy any material ideas or tips that are provided in this book
Have you ever wondered how blood travels through your body?
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Blood can be compared to a car’s engine oil. The oil keeps the engine clean and allows the car to run smoothly. That’s what makes oil essential for cars, trucks, and buses.
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Blood, on the other hand, carries essential oxygen and nutrients to our cells. It also removes the waste products from our cells to keep them clean.
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Now we know the importance of blood in our body. But how does blood circulate into our body? The vital organ that’s responsible for this is the HEART.
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The heart is part of the human body’s circulatory system. It’s what keeps us alive. If it fails to pump blood, then all else fails.
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