The human body<br />By Bianca Egger<br />
Arteries<br />Arteries are the vessels that carry blood and oxygen fromyour heart to the rest of your body. <br />Arteriol...
Veins<br />veins are blood vessels that carry blood towardsthe heart.<br />Most veins carry deoxygenated blood from the ti...
Blood<br />Blood is a specialized bodily fluid that deliversnecessary substances to the body's cells.<br />In vertebrates,...
Capillaries<br />Capillaries are the smallest of a body's  blood vessels and areparts of the microcirculation.<br />They a...
Components of blood<br />
Plasma<br />Blood plasma is theyellow liquid component of blood in which the blood cells in whole blood are normally suspe...
Red blood Cells<br />Red blood cells are the most common type of blood cell and the vertebrate organism's principal means ...
Platelets<br />Platelets, "clot" the blood from rushing out of your body whenyou cut yourself. <br />They are small, regul...
White blood cells<br />White blood cells, are cells of the immune system involved in defending the body against both infec...
The human body
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The human body

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The human body

  1. 1. The human body<br />By Bianca Egger<br />
  2. 2. Arteries<br />Arteries are the vessels that carry blood and oxygen fromyour heart to the rest of your body. <br />Arterioles continue to branch into smaller and smaller vessels which, once they have decreasedin size below 10 micrometresin diameter are known ascapillaries. <br />
  3. 3. Veins<br />veins are blood vessels that carry blood towardsthe heart.<br />Most veins carry deoxygenated blood from the tissues back to the heart.<br />
  4. 4. Blood<br />Blood is a specialized bodily fluid that deliversnecessary substances to the body's cells.<br />In vertebrates, it is composed of blood cellssuspended in a liquid called blood plasma.<br />
  5. 5. Capillaries<br />Capillaries are the smallest of a body's blood vessels and areparts of the microcirculation.<br />They are only 1 cell thick. <br />They connect arterioles andvenules, and enable the exchange of water, oxygen, carbon dioxide, and many other nutrient and waste chemical substances between blood and surrounding tissues.<br />
  6. 6. Components of blood<br />
  7. 7. Plasma<br />Blood plasma is theyellow liquid component of blood in which the blood cells in whole blood are normally suspended.<br />It makes up about 55% of the total blood volume.<br />
  8. 8. Red blood Cells<br />Red blood cells are the most common type of blood cell and the vertebrate organism's principal means of delivering oxygen to the body tissues via the blood flow through the circulatory system. <br />They take up oxygen in the lungs and release it while squeezing through the body's capillaries.<br />
  9. 9. Platelets<br />Platelets, "clot" the blood from rushing out of your body whenyou cut yourself. <br />They are small, regularly shaped clear cell fragments.<br />The average lifespan of a platelet is normally just 5 to 9 days.<br />
  10. 10. White blood cells<br />White blood cells, are cells of the immune system involved in defending the body against both infectious disease and foreign materials.<br />

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