Question

what is the respiration how does it occur ?​

Answer 1

Answer:

Respiration is the process of releasing energy through the breakdown of nutrients such as glucose. Respiration can be aerobic (uses oxygen) or anaerobic (does not use oxygen). Aerobic respiration takes place continuously in both plants and animals.

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Answer 2

Answer:

respiration is a process of acquiring oxygen from outside the body of an organism to inside and to use it in the break down of food resources to meet cellular needs is called respiration

Explanation:

Respiration occurs in the mitochondria and first the process is the glucose 6 carbon molecule will be broken in to three 3 carbon molecule called pyruvate . In human the respiration occurs in mitochondria and the pyruvate changes in to carbon dioxide and water and release energy . Human respire aerobically.