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It's more efficient.
The general term for cells extracting stored energy is "cellular respiration." Despite the name, this doesn't necessarily involve breathing or even elemental oxygen; however, the type that does is a lot more efficient than the type that doesn't.
Animals breathe in order to take in oxygen so their cells can use the more efficient pathway.
What else can I help you with?
Which element do we have to breathe to stay alive?
We need to breathe oxygen.
What iype of gas do humans need to breath?
Oxygen is the gas humans and animals need to breathe in.
Which element do you have to breathe to stay alive?
You need to breathe oxygen to stay alive. Oxygen is essential for the process of respiration, where your body cells convert oxygen into energy.
Why do animals need to breathe to survive?
All animals have to breathe carbon dioxide (CO2) as CO2 is in the air everywhere. Animals only use somewhere between none and a trace amount of CO2.
Why is oxygen so important to human beings?
It is how we breathe and stay alive.
How do animals stay alive in a forest?
because it is QUITE
If the water is life why we drown?
We can't breathe water, but we need to drink it to hydrate and stay alive.
How do humans and animals obtain energy to keep them alive?
Animals and humans eat food to stay alive. Metabolic processes break down the food (plants and animals) to obtain energy, and the materials needed to build and repair the body.
Why do animals need food to stay alive?
Animals need food to stay alive because food gives them nutrients and energy. Nutrients and energy are both important because they help the bodies of animals function.
What do animals do during hibernation?
Animals stay alive in hibernation as this is a natural process.
What do plants and animals need to stay alive?
Water and nutrients
What do all animals need to stay alive and well?
instinct
