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BODY SYSTEMS

Learn about the function and importance of the Respiratory, Reproductive, Excretory, and Circulatory Systems. Understand key organs and processes such as gas exchange in the lungs, waste removal by the kidneys, and blood circulation. Discover how these systems work together to maintain health.

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BODY SYSTEMS

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  1. BODY SYSTEMS

  2. Respiratory System

  3. The lungs are the main organ in the Respiratory System. - The respiratory System moves gases in and out of the body.

  4. Words to know: Nasal Passage – as you breath in air through your nose, the air enters here and is warmed and cleaned as it travels to the pharynx. Trachea – windpipe, or the air passage between the throat and lungs. Lungs – organs that remove carbon dioxide from your body and give oxygen to the blood. Bronchial tubes – tubes that carry air from the trachea to the lungs.

  5. Alveoli – the tiny air sacs in the lungs that take oxygen from the air and put it into the blood. Diaphragm – a large dome-shaped muscle that helps you breathe. The Respiratory System – a system that supplies the body with oxygen and removes carbon dioxide.

  6. Reproductive System

  7. All you need to know for the Reproductive System is that it produces an offspring. What is an offspring? A baby!

  8. Excretory System

  9. - The kidney is a part of the Excretory System. - Aids in removing waste products from the body. (So does the Circulatory System)

  10. Bladder – the organ that store urine until it leaves the body. Kidney – two bean-shaped organs in the Excretory System that take waste from the blood and produces urine. Urea – a waste that results from the breakdown of body protein. Ureters– two tubes that carry urine filtered from our kidneys to our bladder. Urethra – tube through which urine passes out of the body.

  11. Circulatory System

  12. - Aids in removing waste products from the body. (So does the Excretory System.) - If you fall down and hurt your hand and it gets scraped on the pavement, this system responds by transporting white blood cells to the wound. - Transports oxygen to cells.

  13. The Blood Flow A-A-A Arteries Away!!! ARTERIES carry blood AWAY from the heart.

  14. The Blood Flow Veins carry blood to the heart.

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