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1. The prime organs participating in the breathing process are the lungs and the diaphragm. These are supplemented by the rib cage and surrounding muscles and activated by one of two nerve systems. One is the automatic breathing you will notice as you go to sleep while the main waking system is at your will. As when blowing out a candle or speaking.

2. My answer is diaphragm (the thing under the lungs that relaxes and tightens as you breathe), bronchus (A bronchus is a main branch of the airway located below the trachea and above the bronchioles), trachea which is also the windpipe (it is connected to the lungs and the air goes through it), pharynx (The pharynx is the section of the throat between the skull and the esophagus that propels food when swallowed into the esophagus. The epiglottis at the bottom of the pharynx pivots to send food to the esophagus or air into the lungs), larynx (The hollow muscular organ forming an air passage to the lungs and holding the vocal cords in humans and other mammals; the voice box) and there is this thing that is not really important to know called bronchial tubes. It goes into the two lungs, so air goes through it. Did you know that the left lung is smaller than the right lung to have more room for the heart? (By the way,this was made by founders0's sister)

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12y ago
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Q: What are the respiratory system?
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