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The oxygen comes from pollin and trees make pollin. There is so little pollin though that someone alergect would not become symtomized
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What molecule does the oxygen you bretah come from?
Oxygen is an atom. What you breath on a regular basis is O2
How does the spiny lobster obtain oxygen and give off carbon dioxide?
When lobsters are underwater they breath in oxygen, when they come above water they breath out carbon dioxide.
What organ do alligators use to get oxygen?
lungs they do have lungs they come up to breath
Where does the oxygen needed for burning wood come from?
Oxygen is part of the mixture of gases we breath. Therefore, burning wood uses the oxygen in the atmosphere.
What is the percent of oxygen is released in an exhale?
hi, as we breath in we breath in about 20% oxygen, we breath out 16%.. we only use about 4% of the oxygen we breath in..
High oxygen to low oxygen?
there is no such thing because we breath oxygen and breath out carbon dioxide
What do you breath in?
we breath in oxygen and breath out carbon dioxide.
Why do dolphins and whales have to come up to the surface to breath?
Dolphins go to the surface because they need air (oxygen) to breath and fish can air (oxygen) from the water.
How do praying mantis obtain oxygen?
breath in breath out breath in breath out
Why is an earthworm found on the ground after a rainstorm?
Earthworms breath by absorbing oxygen through their skin from the moisture in the ground. After heavy rain soaks into the ground it can lose the oxygen in it and the worms can not breath. They come to the surface as not to suffocate. Earthwormsinfo
Where does most of the air huumans breath come from?
They come from plants. It is a cycle. (Carbon Dioxide and Oxygen Cycle) When you breathe out you realse Carbon Dioxide and the plants sucks it in and relase oxygen and that is what we breathe in.
How do animals usually depend on plants?
animals usually depend on plants for oxygen. we breath out carbon dioxide and breath oxygen in, same with animals. and plants breath that carbon dioxide in and and breath out oxygen.
