Respiration is the process which releases carbon dioxide into the air. Thus, option d is correct.
What is respiration?
Respiration is a phenomenon in which metabolic process is take place in the living organisms. It is biochemical process which takes place in the cell of organisms. In respiration energy (ATP- Adenosine triphosphate) is developed by splitting of glucose which will further used by cell to perform various function. Single-celled organisms always dominant over the multicellular organisms,
Types of Respiration:-
There are two types of respiration which are mentioned below:-
1- Aerobic respiration,
2- Anaerobic respiration,
Aerobic respiration is a type of respiration which takes place in the presence of oxygen to develop energy. It is a continuous process which takes place in living organisms.
Anaerobic organisms is a type of cellular respiration that takes place in the absence of oxygen to develop energy.
Therefore, respiration is the process which releases carbon dioxide into the air. Thus, option d is correct.
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