A cow will eat grass in a field, the grass is the plant and the plant eater is the cow. (Srry if this is not what your looking for)
They are the powerhouses of a cell and they act like the digestive system which takes in nutrients and breaks it down, then creates energy. Hope this helps!
;D
When you breath oxygen enters your body and gets transported to your blood cells
Number B is the correct number
Where are they? Would love to answer
