The Latin verb supponere, meaning substitute, has several legitimate heirs in English, including supposititious (which dates from the early 17th century) and supposition (a 15th century addition).
Cellular respiration takes place in the organelles called mitochondria. The mitochondria take in glucose, a type of sugar, and change it in the presence of oxygen into an energy-rich molecule called ATP, or adenosine triphosphate. For every molecule of glucose, 36 molecules of ATP are made.
Teacherâs Notes: Cellular Respiration Zoom in: muscle tissue cell mitochondria cellular respiration occurs in the mitochondria 3 body systems are needed to make the mitochondria work; digestion, circulation, and respiration Why digestion? through the digestive system the body acquires the food it needs to fuel all cells