The human heart and muscle cells require a great deal of energy. Which cell organelle would you expect to appear in large numbers?

Mitochondria

Explanation:

The mitochondria is known as the 'powerhouse of the cell' as it respires aerobically to produce energy for cells, including muscle cells. It is the mitochondria which produces energy in cells therefore, a lot of mitochondria is needed in the human heart and muscles.

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ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called

c. is the correct answer