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Giant Microbes

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About raw materials Main material: polyester
Country of origin: China
size W4 x D3.5 x H7.5cm

Target age 6 years or older

Taking oxygen into blood

The lungs play an important role in breathing. It works by taking in oxygen from the air into the body and discharging carbon dioxide that is no longer needed. Air drawn in through the nose and mouth passes through the larynx and enters the trachea. When the trachea enters the left and right lungs, it divides into two and becomes a bronchus. The bronchi are subdivided into smaller pieces, and a small bag of air called alveoli is attached to the end of the bronchus, like a bunch of grapes.
From “Chugai Pharmaceutical HP/Patients/People/People's body freezing”
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