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DIY ๐Ÿ’‰ Blood Model (BODY Anatomy Unit Study, Science๐Ÿ”ฌโš—๏ธโš–๏ธ 101 ๐ŸŽฅ Series ๐ŸŽ‡)

We are continuing our BODY Anatomy unit study. Today, it is all about ๐Ÿ’‰blood! Recently, Adrian, after getting a scab, asked me: "What is blood made of?" ๐Ÿค”The cells and particles that make up our blood are so minuscule! So I wanted to break the blood down into its components, examine each, discuss its functionality and then see what will happen when the components mix together. With this easy DIY Blood model, we will explore up close what is in just one drop of blood! We will also learn what the white blood cells, red blood cells, and platelets really look like in comparison to one another.

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What you will need to make this ๐Ÿ’‰ blood model:

๐Ÿ”ด Cheerios with red food coloring to make red blood cells;
โšช๏ธ white marshmallows to resemble white blood cells; 
๐Ÿ’œ purple beads for platelets;
๐Ÿ’› water with yellow food coloring to make plasma.

DSC_0041First, offer a child to make blood "plasma" by adding yellow food coloring to the water. 

DSC_0041Once the plasma is ready, make "red blood cells" by adding red coloring to Cheerios.

DSC_0041Mix Cheerios and let them soak up the red food coloring. 

 DSC_0041Red blood cells are ready! 

Observe what will happen once all the blood ingredients are mixed together.

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Let your child explore the mixture and then discuss the parts of the blood and its functionality:

  • ๐Ÿ”ด Red blood cells carry oxygen.
  • โšช๏ธ White blood cells are our "soldiers" - they fight germs, bacteria, and viruses.
  • ๐Ÿ’œ Platelets facilitate clotting and help heal cuts.
  • ๐Ÿ’› Plasma helps the blood move through veins and arteries.

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Your ๐Ÿ’‰blood makes up 8% of your body weight. Did you know that there are 60,000 miles of blood vessels in your body, which is twice the circumference of our ๐ŸŒŽ planet Earth! Blood plays a very important role in your bodyโ€™s everyday functions, such as carrying life-potent oxygen and nutrients from your โค๏ธ๏ธheart to other parts of the body. Blood also maintains the optimal body temperature, keeping you warm or cool day and night.


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We are using First Human Body Encyclopedia (buy here) book as a reference. The book introduces inner workings of the human body with fascinating facts and full-color photos and illustrations, making anatomy accessible and fun for any age!


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Our body contains a lot of various systems and organs, each performing an important specific function. I hope that this simple ๐Ÿ’‰DIY โš—๏ธscience experiment will help your child better understand the amazing human BODY and how it works!

See here our entire "๐Ÿ’‰ Inside of the BODY Anatomy Unit Study."

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