Answer:
Our body cells require oxygen to release energy.
Explanation:
The oxygen that we take in during respiration is used to break down the food we eat to release energy from it. When we breathe in oxygen, it diffuses into blood from the lung, where it is transported by red blood cells to the entire body to be used to produce energy.
The highest potential of the 4 organic molecules found in living beings are nucleic acid, proteins, carbohydrates and lipids.
When a species go extinct, it's prey often becomes more populous because it has less predators. A new species can affect the population of prey and predators.
<span>effectiveness , safety , and minor side effects .</span>
