Why is air pressure important for life?

Answer 1

Not all living things need air to survive. Do you like cakes? The yeast used to make them is a fungus that hates air and is a close relative to the yeast that gives us beer.

Many living organisms need air for the oxygen which enables them to use the Calvin Cycle.

There are also organisms that go through chemosynthesis at the volcanic vents at the sea floor. The vents provide many different chemicals and elements (mostly sulfur) that various organisms will use to provide energy for cell respiration. They do not need "air" or even sunlight.

Most living things use oxygen in the chemical process that releases energy from food.

Answer 2

Air is the vital element which supplements the body with required oxygen. The oxygen is carried out from the nostrils to the lungs where the alveloi filters the oxygen from the inhaled air and mixing it with haemoglobin to form oxy-haemoglobin which is transported in the blood to all the cells. This is vital for sustenance of the organs and keeping the cells alive. So we see that the supplier of this elemental oxygen i.e. air is vital for survival.

Answer 3

Yes, all living things must have air, or more accurately the gaseous mixture called air. Three of its most important constituents are oxygen, carbon dioxide and nitrogen. Of course the air is not always just that above the earth's surface; it also includes air which is dissolved in rivers, lakes and the sea.

Animals and plants help each other to provide the gas which they need. Plants, which require carbon dioxide and nitrogen to grow, take in hopes gases and send oxygen into the air for air breathers like us, or into water to help creatures which require oxygen there; fish for example. Instead of plant-life taking in carbon dioxide and giving out oxygen , animal life out of water usually takes in oxygen and gives out carbon dioxide. So we are helped to live if we have the right balance of animal life and plant-life.

Answer 4

You need air to breathe because air is oxygen, and your body needs oxygen to oxidise the food you eat and release the energy contained in it.
we need air to breath other wise there will not be any people or animals on earth.

Answer 5

The cells in our bodies require a continual supply of oxygen to survive. The air we breath normally provides sufficient oxygen to our lungs to replenish the oxygen our blood circulation system delivers to our cells. When in an environment without air, or with insufficient oxygen in the air, tanks holding compressed air or oxygen can be used to maintain the oxygen level our bodies need for respiration.
Air contains oxygen. In the body oxygen is reacts with glucose in a process cal aerobic respiration. This reaction is the source of the energy that powers the human body. Without oxygen this cannot occur and we would quickly run out of energy and die.

Answer 6

first of all, air contains oxygen that is essential for respiration. more over, oxygen is also essential for the photosintesis, done by the plants, because plants stays with CO2 and realese oxygen

Answer 7

Yes. not only me but everything.

As you know, we need the oxygen in air, to breath( for respiration)

If you don't have air, you will die in 3 minutes. (Or 2 minutes)

Also the Animals.

The animals in land have lung to to breath,

and fishes know how to get oxygen in water.

But if you inhale pure oxygen, people will die.

Answer 8

We need to breathe because all the cells and tissues and organs inside our body need oxygen every single second of our lives so that they will survive. Without oxygen we could not live.

Answer 9

Without air animals will not have oxygen to breathe and oxygen is important because it helps fuel the body