MadSci Network: Anatomy

Subject: don't the cardiac muscles ever accumulate lactic acid?

Date: Fri Sep 22 12:32:50 2000
Posted by wong ru xin
Grade level: 10-12 School: raffles girls' school
City: No city entered. State/Province: No state entered. Country: singapore
Area of science: Anatomy
ID: 969640370.An

I learnt during biology lesson that muscles respire anaerobically and one 
of the byproducts is lactic acid and this causes fatigue in the muscles, 
hence incurring an oxygen debt. Why is it then that the cardiac muscles 
never ever feel tired?

Re: don't the cardiac muscles ever accumulate lactic acid?

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