After running home from school, a girl wants to know how the carbon dioxide she is exhaling is produced. Which explanation BEST answers
AIt is waste released from the heart.
BIt is an energy source from the lungs.
CIt is waste produced by the cells in her body.
DIt is an energy source produced by the cells in her body.
her question?
AIt is waste released from the heart.
BIt is an energy source from the lungs.
CIt is waste produced by the cells in her body.
DIt is an energy source produced by the cells in her body.
