Question

Name the substance released when muscles respire in oxygen deficit condition

Answer 1

Lactic acid+ CO2 + 2 ATP

Answer 2

The substance released when muscles respire in oxygen deficit condition is anaerobic respiration that occurs to produce ATP. When muscles respire in the absence of O2, products are CO2, lactic acid and H2O.

Explanation:

• Our muscle cells can respire with or without the oxygen.
• Whenever during heavy exercise, energy demand is high but the oxygen supply is limited.
• So, to overcome the lack of energy muscles respire anaerobically where glucose breaks down into lactic and energy in muscles.
• The lactic acid is accumulated and we often get muscle cramps during exercises.