Respiration and its types — task. Science CBSE, Class 7.

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Drop the suitable terms in the blank:

Answer variants:

energy

mitochondria

lactic acid

aerobic respiration

1. The process of respiration takes place in the

of the cells.

2. The process of

occurs in the presence of oxygen.

3. In the muscles

is produced during anaerobic respiration.

4. Anaerobic respiration in the muscle cells occurs when the

demand is high.

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