Mitochondria

Mitochondria is known as the powerhouse of the cell . 

• The energy required by the body for all its functions is generated in the mitochondria .
• This energy is released in the form of ATP (Adenosine Triphosphate) .
• Mitochondria is one of the few organelles that has its own unique DNA  
• It is also able to produce some of its own proteins as it contains ribosomes .
• It is a double membraned structure (having 2 membranes).
• The outer membrane is porous while the inner membrane is folded .