Intelligence.
The digestion system converts food into energy.
A chlorenchymatous cell (one containing chlorophyll) converts energy into food for the cell.
Walking - or doing any effort with our muscles with that matter - converts chemical energy into mechanical energy. We get the chemical energy from the food we eat.Walking - or doing any effort with our muscles with that matter - converts chemical energy into mechanical energy. We get the chemical energy from the food we eat.Walking - or doing any effort with our muscles with that matter - converts chemical energy into mechanical energy. We get the chemical energy from the food we eat.Walking - or doing any effort with our muscles with that matter - converts chemical energy into mechanical energy. We get the chemical energy from the food we eat.
Photosynthesis.
Glucose
chemical
Human work converts chemical energy from food into mechanical energy through the contraction of muscles.
A furnace or a burner.
The organelles in eukaryotic (plant &animal) cells that converts food into usable energy are the Mitochondrion (plural of Mitochondria)
Mitochondria
It converts energy in food into a more usable form. (Cellular Respiration-The enzyme-controlled process in which energy is released from food and converted into a form that the cell can use.)
An engine converts energy into mechanical motion.