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The respiratory system brings fresh air filled with oxygen through your nose and mouth, down your windpipe, and into your lungs. The lungs let the fresh air into your body and collect the used-up air and push it out of the body when you breathe out. Practice inhaling (breathing in) and exhaling (breathing out).
The lungs and respiratory system allow us to breathe. They: Bring oxygen into our bodies (called inspiration, or inhalation). Send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.
A form of oxygen called ozone is a pale blue gas that is explosive and poisonous. It is found in the upper atmosphere, and there it is helpful. It traps harmful rays from the sun and prevents them from reaching Earth’s surface.
Kids learn about the element oxygen and its chemistry including atomic weight, atom, uses, sources, name, and discovery. Plus properties and characteristics of oxygen.
Kid's learn about the science of human breathing and the lungs. How we get oxygen into our blood and remove carbon dioxide through the Respiratory System.
9 Φεβ 2021 · What is oxygen? Oxygen (O2) is an invisible gas, which is part of the air and is used for life on planet earth. We incorporate it through the respiratory system. It helps transform the food you eat into energy. Oxygen is more abundant in the air that enters the lungs.
22 Oxygen Facts for Kids. Oxygen is a chemical element on the periodic table. Oxygen was discovered in 1771, by Swedish pharmacist Carl Wilhelm Scheele. Oxygen was given its name in 1777, by French chemist Antoine Lavoisier. Oxygen is a gas at room temperature.
