Worksheets and No Prep Teaching Resources
Worksheets and No Prep Teaching Resources
Reading Comprehension Worksheets
Circulatory System
The Human Body
The Body's Highway System

Circulatory System
Circulatory System

The Body's Highway System
Reading Level
     edHelper's suggested reading level:   high interest, readability grades 1 to 3
     Flesch-Kincaid grade level:   3.56

     challenging words:    adult, aorta, artery, cavae, directly, kinds, microscope, minutes, rubbery, travels, venae, back, body, different, each, enough
     content words:    New York City, San Francisco

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The Body's Highway System
By Kathleen W. Redman

1     It is 2,905 miles from New York City to San Francisco. Does that sound like a long way to you? Do you think there is one mile of blood vessels (rubbery tubes that carry blood) in your body? Do you think if the blood vessels were put end to end they would be ten miles long? It doesn't seem possible, does it? Would you be surprised to learn that there are over 60,000 miles of blood vessels in an adult? That's enough to go around the world two and a half times!
2     The heart, blood vessels, and blood make up the circulatory system. It has a very important job and the blood vessels tie it all together. Your blood travels through the blood vessels to all parts of your body. The blood carries oxygen and nutrients to the cells. It takes away waste. Isn't it an amazing system?
3     There are different kinds and sizes of blood vessels. Each kind has its own job. The tubes that carry blood away from your heart are called arteries. The largest artery is the aorta. It carries blood from the heart to the other arteries. Veins carry blood back to the heart. The two largest veins are called the venae cavae. They carry blood directly into the heart.

Paragraphs 4 to 6:
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Circulatory System
             Circulatory System

The Human Body
             The Human Body

More Lessons
             First Grade Reading Comprehensions and 1st Grade Reading Lessons
             Second Grade Reading Comprehensions and 2nd Grade Reading Lessons

    Bicycle Safety  
    Circulatory System  
    Digestive System  
    Excretory System  
    Food Pyramid  
    Health Professionals  
    Healthy Life  
    Medical Tools  
    Miscellaneous Health Topics  
    Muscular System  
    My Plate  
    Nervous System  
    Reproductive System  
    Respiratory System  
    Skeletal System  
    The Five Senses  
    The Human Body  

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