QUESTION 7 What are the upper chambers of the heart called? septa ventricles atria AV valves QUESTION 8 An atrioventricular valve is O a tricuspid valve a mitral valve all are correct a biscuspid valve between atria and ventricles

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Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.