Answer:
Cellular respiration :)
Explanation:
Your body cells use the oxygen you breathe to get energy from the food you eat. During cellular respiration the cell uses oxygen to break down sugar. Breaking down sugar produces the energy your body needs
Trachea
Tongue
A slight head tilt
Nitrogen. The acronym CHON is an easy was to remember these four biomolecules that make up life. Carbon, Hydrogen, Oxygen and Nitrogen are essential for life as we know it. Nitrogen plays a critical role in the construction of proteins and DNA. And Nitrogen is considered essential in the overall process of photosynthesis for the production of chlorophyll in plants.
I think most of the environmental pressure will come from pollution, and a lack of space. With so many people around, there''s going to be a lot of vehicle use, and things such as littering. We're going to have to change and start cleaning up after ourselves and limit the use of gas.
The pressure in the past will be: raising temperature and flooding, more Co2 in the atmosphere.
We might for example evolve to better extract the oxygen from the atmosphere and be better resistant to heat.
Answer: I believe that the environmental pressures that exist now and that may be shaping the human species are the use of land, the extraction of resources, greenhouse emissions and water use. This are being used by use more and more as we start overpopulating the earth.
mrk me brainliest plz