LIFE SCIENCE

Detailed explanation-1: -All living organisms, plants and animals breathe in oxygen and breathe out carbon dioxide.

Detailed explanation-2: -All living organisms respire. Cells need and use the energy that is formed through this process to assist with life processes in order for organisms to survive and reproduce. Oxygen and carbon dioxide are the main gases involved in aerobic respiration.

Detailed explanation-3: -Most living things need oxygen to survive. Oxygen helps organisms grow, reproduce, and turn food into energy. Humans get the oxygen they need by breathing through their nose and mouth into their lungs. Oxygen gives our cells the ability to break down food in order to get the energy we need to survive.

Detailed explanation-4: -All living organisms need to respire to get the energy needed for their survival.