Worksheets and No Prep Teaching Resources
Worksheets and No Prep Teaching Resources
Reading Comprehension Worksheets
Circulatory System
Red Blood Cells

Circulatory System
Circulatory System


Red Blood Cells
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A Short Reader

Reading Level
     edHelper's suggested reading level:   grades 4 to 6
     Flesch-Kincaid grade level:   5.01

Vocabulary
     challenging words:    hemoglobin, blood, volume, system, marrow, reason, dioxide, carbon, molecule, liquid, plasma, several, simple, pumping, cell, iron


Red Blood Cells
By Brandi Waters
  

1     Blood is the reason for the circulatory system. Your heart, veins, and arteries work to keep blood moving throughout your body. Blood may look like a simple red liquid, but it is made up of several different parts. More than half the volume of your blood is made up of a golden colored liquid called plasma. Your blood gets its deep red color from red blood cells. They make up most of the remaining volume of your blood.
 
2     Red blood cells are red because of a molecule called hemoglobin. Hemoglobin contains iron. The iron allows the red blood cell to carry gases like oxygen and carbon dioxide. Your heart pumps blood throughout your body. When blood flows to the lungs, oxygen binds to the hemoglobin in .....
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Circulatory System
             Circulatory System



Health
    Alcohol  
 
    Bicycle Safety  
 
    Circulatory System  
 
    Digestive System  
 
    Disabilities  
 
    Drugs  
 
    Excretory System  
 
    Food Pyramid  
 
    Health Professionals  
 
    Healthy Life  
 
    Hygiene  
 
    Illnesses  
 
    Medical Tools  
 
 
    Miscellaneous Health Topics  
 
    Muscular System  
 
    My Plate  
 
    Nervous System  
 
    Nutrition  
 
    Reproductive System  
 
    Respiratory System  
 
    Skeletal System  
 
    Teeth  
 
    The Five Senses  
 
    The Human Body  
 
    Tobacco  
 



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