What is the primary difference between a meteoroid meteorite and a meteor: composition location size or both composition and size

Meteoroids, meteors and meteorites
The difference between a meteor, a meteor and a meteor lies in its location. When the object is in space it is called meteoroid, when it enters the Earth's atmosphere it is called meteor and when it reaches the ground it is called meteorite.

Mitochondria is the cell organelle that produced the energy that is needed in the body system in form of atp, that is why it is called the power house of the cell. energy is needed by the living organisms to carry out the activities which sustain life.  if the mitochondria is destroyed atp will not be produced. if the mitochondria is destroyed, energy production will stop and the affected living organism will not have the energy to carry out the necessary life processes; this will lead to the death of the organism.