Answer:
Aerobic respiration : The kind of respiration where the intake of oxygen helps to breakdown the food and produce energy. This is done by almost all living organisms like plants, us humans (Most of the time), animals, etc.
Anaerobic respiration : The kind of respiration which takes place in the absence/lack of oxygen. Organisms like yeast, us humans (For a short period of time, I will explain how), etc.
When do humans anaerobically respire?
Ans: When the human body does not get enough of oxygen, and we are doing some heavy exercise, at that period of time, in the muscles cells, the cells anaerobically respire giving out lactic acid, which leads to muscle cramps....
Anaerobic:
Glucose (Lack of oxygen)-----> lactic acid (In humans) / alcohol (In other organisms) + Energy
Aerobic :
Glucose (Presence of oxygen) --------> Carbon dioxide + Energy
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