Doctor Is In
What's Happening?
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The sound of blood flowing will cause part of the round bit, called the diaphragm, to vibrate which will travel up the plastic tubes to amplify the sound.
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We are trying to listen to see if there is blood flow, because if there is a heartbeat that means blood is flowing through.
Why do we care?
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There are many ways to multiple places to check heart rate which important to know what parts of your body are getting blood.
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It is vital to our survival to have our blood flow through our body, the heart is the main pump in our body that goes to the rest of the body.
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Blood vessels carry the blood to the rest of our body
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Arteries: carry blood away from our hearts
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Veins: carry blood back to our hearts
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Blood is made up of a lot of different things
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Red blood cells: carry oxygen
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Hemoglobin, which is a protein in RBCs and it carries the iron which hold oxygen. This is important to help you live because your cells need oxygen.
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White blood cells: important to your immune system, fight germs, bacteria and viruses.
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Platelets: help out blood clot when you cut your finger or something.
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Oxygenated blood - bright red
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Deoxygenated blood - dark red
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