निम्नलिखित में से किस प्रक्रिया के दौरान ग्लूकोज एथिल अल्कोहल में ऑक्सीकृत होता है?

Anaerobic respiration can occur in which of the following? i. Yeast ii. Human Muscle cells iii. Certain Bacteria iv. Amoeba

Muscle cramps during vigorous physical exercise occur due to the accumulation of:

Which of the following organisms breathes through its skin?