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.
Answer:
True
Explanation:
The sun is the biggest PLANET in our solar system.
It would be harmed by chemicals in the environment. ... In binary fission, the two new cells that are formed are susceptible to the same antibiotic.
Cell nucleus chromosome gene nucleotide base subunit atom