Why is it not possible for humans to gather oxygen through diffusion? *

because it's a very slow process , it will take about 3 years for it to fully circulate throughout the whole body and by 3 years your body will be at a state where the blood cannot circulate as fast because as the body grows more cells grow , the more cells the harder it is to get oxygen through diffusion

Explanation:

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

the answer is false

explanation: