How are cells, tissues, organs, and organ systems related to each other?

Humans—and other complex multicellular organisms—have systems of organs that work together, carrying out processes that keep us alive. ... Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the integrated activity of its organs.

Explanation:

Cells make up tissues, tissues make up organs, and organs make up organ systems. They all work together to make sure the human body is always in a good shape and always protected.

Explanation:

"a scientist studying a whale and its surroundings would need to understand the structure of atoms in case something was negatively affecting the whale or its surroundings."

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