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Respiratory and Excretory Systems

Respiratory and Excretory Systems. Vocabulary. Alveoli – Air Sacs that make up the lungs, where gas exchange occurs Capillary – tiny blood vessels that carry materials and exchange them with the cells throughout the body

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Respiratory and Excretory Systems

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  1. Respiratory and Excretory Systems

  2. Vocabulary • Alveoli – Air Sacs that make up the lungs, where gas exchange occurs • Capillary – tiny blood vessels that carry materials and exchange them with the cells throughout the body • Waste – materials not needed by the body and can be toxic if not gotten rid of

  3. Respiratory System: Oxygen Function: gas exchange, bring _______to the blood and remove ________________ from the blood Organs: 1. Nose: _______, ______, and moistens air 2. Trachea: protected by ________, contains the vocal cords Epiglottis: covers trachea when swallowing food 3. Bronchi: two branches that lead to the _______ Carbon Dioxide Filters Warms Cartilage Lungs

  4. Respiratory System: 4. Lungs: made up of ______ where gas exchange occurs ( oxygen _______ and carbon dioxide _________ the blood) 5. Diaphragm: muscle that controls _______________ Alveoli Enters Leaves Breathing

  5. Diagrams: • Respiratory and Circulatory systems work together by the blood bringing carbon dioxide to the lungs to be exhaled, and the lungs taking in oxygen and giving it to the blood to be transported throughout the body.

  6. Emphysema: a disease that reduces the number and elasticity of ___________ Alveoli

  7. Nonsmoker Smoker

  8. Excretory System:Function: remove ____________ Waste Organs: 1. Lungs: removes ____________ 2. Large Intestine: removes _______waste from the digestive system 3. Skin: removes ________ and heat 4. Liver: removes excess _________ acids and worn out _____ 5. Kidneys: produce urine to remove ________, salts and nitrogen wastes Carbon Dioxide Solid Water Amino RBC (Red Blood Cells) Water

  9. Lungs are a respiratory organ because they take in oxygen and an excretory organ because they get rid of carbon dioxide • Human Kidney

  10. Diagrams: Skin Large Intestine Lungs Gets rid of Water and Heat Gets rid of CO2 (Gas) Gets rid of Solid Waste Brings blood to the kidneys Kidney Brings filtered blood back to the heart Filters/Cleans Blood Liver Transports Urine (Liquid Waste) produced by the kidneys to the bladder Gets rid of Amino Acids and RBCs Gets rid of Urine (Liquid Waste) Muscular Sac that stores Urine Urethra Eliminates Urine from the body

  11. Describe the exchange that occurs with the circulatory system and the body cells. What would happen if your excretory system didn’t work and why? The circulatory system delivers and gives the body cells oxygen and nutrients as it takes away carbon dioxide and other wastes and delivers them to the excretory organs Your cells would start to die because waste is toxic

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