Respuesta :

The cells perform glycolysis which breaks down glucose.
Glycosis helps to process glucose to pyruvate in many cellular respiration procedure. 

Cellular respiration is also considered a part of the metabolism process. This process actually helps in carrying the oxygen through the blood. 
Two types: Anaerobic and aerobic respiration 
Anaerobic respiration doesn't use oxygen during its respiration process while the aerobic respiration uses oxygen.