कठिन व्यायाम के दौरान मानव मांसपेशियों की कोशिकाओं में अवायवीय श्वसन (anaerobic respiration) के परिणामस्वरूप निम्नलिखित में से किसका संचय होता है?

In yeasts, pyruvate is converted into ________ under anaerobic conditions.

In yeast, pyruvate is converted into ________ under anaerobic conditions.

Consider the statement and choose the correct option: Assertion (A): The rate of breathing in aquatic animals is much faster than in terrestrial animals.