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9 Facts About That Red Stuff Under Your Skin

Did you know...
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1. We need blood
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Blood is essential for good health. Our body depends on a steady supply of fuel and oxygen to reach billions of cells.

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2. The Red Fighter
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Blood helps us in many ways. It helps us to keep warm, cool down and fight infections. We couldn’t get rid of our waste products without our blood.

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3. Two types of blood vessels
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Both carry blood through our body.

Arteries take blood from our heart to the rest of the body. Veins take it back to the heart.

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4. Pulse
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As our heart beats you can feel the blood travelling through your body at pulse points. These can be felt on your wrist and neck.

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5. Three types of blood cells
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Whole blood in our body contains 3 types of body cells – these are; white blood cells, red blood cells and platelets.

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6. Teen blood
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As a teenager most of your blood cells are in the bone marrow of your spine, ribs, pelvis, skulls, breastbone, upper arm bone and thigh bone.

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7. Thrombocytes (THROM-BUM-SYTES)
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This is what platelets are called. They are oval in shape and help our blood clot. These are essential as they, alongside other clotting factors work together to form solid lumps to seal leaks, wounds, cuts and scratches.

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8. Blood Pressure
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The normal blood pressure reading for young people aged between 12 – 17 years is around 118 to 132 over 82 to 90.

The top number is the highest level your blood pressure reaches when the heart beats. The second number is the lowest level it reaches.

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9. Phlebotomist
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The word phlebotomist comes from the Greek word “phleb” or “phlebo” meaning vein or blood vessel and “toma” or “tomia” meaning to cut or make an incision.

how to get help

If you have any more questions on this area or would like to speak to somebody about this topic, have a look at the links or search for your local services in the blue box below. Alternatively you can always contact your public health nurse.

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Find out what services are available to you in your area. Remember your school nurse is always there to give you confidential help and support.