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Yes they very well do.

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12y ago

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Which gas do human being need to survive?

Humans need oxygen to survive. Oxygen is necessary for cellular respiration, which allows our cells to produce energy. Without a steady supply of oxygen, our organs and tissues would not function properly.


What kind of houses could be built on Neptune?

Green houses for oxygen and have a heater that doesn't need a plug


Why do human being need a gas exchange system?

Because our bodies need to be able to get rid of Carbon Dioxide, and intake fresh Oxygen.


Why do you celebrate Van Mahotsav in the month of July?

we celebrate VAN MAHOTSAV on July 4th because we need to spread the word to people telling them not to cut down trees because more and more trees are being cut down but what people don't understand is there are houses and other buildings being put up in place of the trees but if we don't have trees we don't have oxygen and if we don't have oxygen then people cant breathe in the new houses or buildings so basically they are killing people by taking oxygen to put up houses that they don't even need to be built


What does the human body need a steady supply of?

oxygen


Is it a safe place to live in mars?

Mars is no place for a human being. There is no breathable oxygen and no water, which are both things that humans need to survive.


Why is the forest important to human beings?

Because we need the oxygen that the trees and plants produce via photosynthesis. we must save our forest We would survive without trees because The atmosphere creates air. The forest is the houses of more animals. They are enjoying in the forest as theirs houses


Can the human experiment 'How Plants Made the World' be perfect?

No, both the box and the human being will need to be monitored strictly. Pressure changes in the box need to be monitored more precisely as the oxygen, carbon dioxide, water vapor, temperature etc.


Where is oxygen in the human body?

oxygen if everywhere. In the heart, lungs, blood. YOu need blood everywhere to live!


What happen if all oxygen converted into ozone?

If all the oxygen was converted into ozone, there will be no breathing gas. We need oxygen to support human life.


What is the gas that human beings need to breathe in?

Oxygen is used to help people breathe in and out


Why is oxygen important to every part of the body?

Oxygen is important because our cells need oxygen to survive. If they don't get oxygen then the cells will die the the human itself will die.