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:
If the macromolecule is not lipid, then IT'S CARBOHYDRATE
Glycolysis is the first step whereas Krebs cycle is the second step of cellular respiration.
They both formed 2 molecules of ATP along with some carbon as a waste.
Albedo is the "whiteness" of a surface. It is a reflection coefficient, and has a value of less than one. The albedo of a surface is the ratio of radiation reflected from the surface to the incident radiation. Hope this helps. Have a nice day. Feel free to ask more questions.