WebMar 23, 2024 · The common cold is an upper respiratory tract infection that can be triggered by over 200 viruses. Symptoms of the common cold include runny or stuffy nose, congestion, pressure in the sinuses ... WebBreathing. A lung model can be used to demonstrate the process of breathing. The balloons represent the lungs, the glass jar represents the thorax. and a rubber sheet represents the diaphragm.
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WebRespiration involves getting to the final step of obtaining energy by the breakdown of digested food (such as glucose) using oxygen and releasing carbon dioxide and water in the process. Photosynthesis involves using energy (from respiration) ,water and carbon dioxide to get to simple sugars (or glucose). Hence the opposite equations. WebMar 24, 2024 · When you breathe in, air enters your airways and travels down into the air sacs, or alveoli, in your lungs. This is where gas exchange takes place. Lungs From a … crew catering
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