Anaerobic Respiration in Animals – Post Lesson Practice

1. __________________ respiration in animals takes place when oxygen is not available.

Under these conditions, glucose is not completely broken down into carbon dioxide and ________,

instead ______________ is formed. When this substance builds up in muscle cells it makes

them ache. This is called ____________. (4)

2. During the ____________ period after anaerobic respiration, the depth

and rate of _________________ continue at greater than normal levels.

This allows the oxygen __________ to be repaid. The oxygen is used to

convert lactic acid back to _______________. (4)

3. During the anaerobic respiration of one molecule of glucose in an animal,

the number of ATP molecules produced from glycolysis is ________ and the number of

ATP molecules produced from the breakdown of pyruvic acid is ___________. (2)

Total = 10marks