briannaarevalo139 briannaarevalo139
  • 16-01-2020
  • Biology
contestada

At what time does the runners body switch from energy supplied by lactic acid to energy supplied by cellular respiration

Respuesta :

maryjanewambui
maryjanewambui maryjanewambui
  • 22-01-2020

Answer:

About 1.5 minutes

Explanation:

Cellular respiration provides more energy to the runner since sugars are broken in presence of oxygen into simpler forms that are not toxic to the body tissues. 2830 kJ of energy is produced unlike in lactic acid which produces 150 kJ of energy. Lactic acid accumulation in the skeletal muscles causes muscle cramps and fatigue.

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