Answer:
not sure all of them, but i know one, and its kinda obv but what protein it is
Explanation:
It is accepted to be fact by those who accept it to be fact, until further experimentation or research can prove otherwise
When we breathe, our respiratory system takes up oxygen and carbon dioxide or other useless gases go out . The oxygen combines with the haemoglobin in the blood of the circulatory system . This is transferred to all the cells of our body to get energy.
TB. It is open to change.he thing about science is that a discovery may be made today and written up but by tomorrow something else is found that edifies what was found or proves it incorrect or make it obsolete. .Therefore the answer is <span>B. It is open to change</span>
There are around 350,000-600,000
