Which of the following best describes a passive ventilation system? a system using fans to move heated air around and out of a greenhouse

a system using the natural motion of air through heated pipes in the floor to circulate heat

a system using tubes suspended from the ceiling to move heated air to specific locations

a system using the natural motion of air through vents to remove hot air from a greenhouse

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.