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Understanding the Heart and Lung: Circulatory and Respiratory Systems

Explore the intricacies of the heart and lungs, including how the circulatory system delivers oxygenated blood and how the respiratory system inhales oxygen and exhales carbon dioxide. Learn about blood flow, components of blood, and the process of gas exchange in the lungs.

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Understanding the Heart and Lung: Circulatory and Respiratory Systems

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  1. 2.3 Circulatory and Respiratoryhttp://www.heartpoint.com/theheart.htmlhttp://www.mydr.com.au/heart-stroke/animation-how-your-heart-pumpshttp://www.pbs.org/wgbh/nova/body/map-human-heart.htmlhttp://www.pbs.org/wgbh/nova/eheart/transplantwave.htmlhttp://www.blaufuss.org/http://www.fi.edu/learn/heart/blood/blood.htmlhttp://www.nobelprize.org/educational/medicine/landsteiner/landsteiner.html- Challengehttp://www.mydr.com.au/addictions/animation-effects-of-smokinghttp://www.argosymedical.com/Circulatory/samples/animations/How%20the%20Heart%20Works/index.htmlhttp://www.argosymedical.com/Circulatory/samples/animations/Angioplasty/index.htmlhttp://www.argosymedical.com/Circulatory/samples/animations/CPR/index.htmlhttp://www.argosymedical.com/Circulatory/samples/animations/HIV/index.htmlhttp://www.argosymedical.com/Respiratory/samples/animations/Asthma%20TLC_AZ/index.htmlhttp://highered.mcgraw-hill.com/sites/0072495855/student_view0/chapter25/animation__gas_exchange_during_respiration.htmlhttp://video.about.com/asthma/How-Lungs-Function.htmhttp://www.youtube.com/watch?v=vu_ONM3Bj9A

  2. Taking a closer look at the heartAtria – allow the blood to move from the body to the heartVentricles – pump blood out of the heart

  3. The Heart (Cont’d) Valves. Each valve allows blood to flow in only one direction

  4. Blood Flow - Heart

  5. The Circulatory System Circulatory system is a network of blood vessels that deliver blood to the body Arteries – carry oxygenated red blood away from heart. Blood is under pressure. Aorta is the largest artery. Arterioles are small arteries. They end up at capillaires which are a network of tiny blood vessels that exchange O2 and CO2 Veins – carry blood to heart Venules – carry blood from capillaries to veins. Tiny veins.

  6. Arteries, arterioles, capillaries, venules, and veins

  7. Components of Blood Blood – transports oxygen, nutrients and water to cells and carries carbon dioxide and wastes away. Also carries specialized cells to fight infections and heal wounds. 5L in body. Plasma – 55% of the blood. Clear, yellowish. Red blood cells – approx 2 million. Carry oxygen from lungs to cells and carbon dioide away from cells White blood cells - fight infection. Numbers increase when you have an infection Platelets – clot blood

  8. Blood Components

  9. Respiratory System Respiratory System – main purpose is inhaling O2 and exhaling CO2 Lungs deliver O2 Air passes past the pharynx through the larynx (voice box) and down the trachea (airway). The air splits into 2 bronchi – one for each lung. The bronchi split into smaller bronchioles until they reach alveoli where gas exchange happens. There are millions of alveoli in each lung. Each aveoli is surrounded in a capillaires for gas exchange.

  10. Inside the Lungs

  11. Heart and Lung

  12. Gas Exchange

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