If one of the four major functions of the cell went awry, what would be the most likely result for the cell?

autolysis of cell through lysosomal enzymes.

       Hope this helps :)

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.