Answer:
the cell combines oxygen molecules to provide energy for use in cellular respiration
Answer: C
Explanation: Left ventricle. With the thickest muscle mass of all the chambers, the left ventricle is the hardest pumping part of the heart, as it pumps blood that flows to the heart and rest of the body other than the lungs.
Nucleus, Mitochondria, and Lysosomes are found in a cell. Plastid is the odd one.