Which molecule is considered the smallest part of the body?
Understand the Problem
The question is asking for the identification of the smallest unit that makes up the body, giving options of cell, atom, protein, and tissue.
Answer
Atom for molecules or elements, cell for living organisms.
The atom is considered the smallest part of the body in terms of being a fundamental unit of matter. However, a cell is the smallest structural and functional unit of living organisms in the human body.
Answer for screen readers
The atom is considered the smallest part of the body in terms of being a fundamental unit of matter. However, a cell is the smallest structural and functional unit of living organisms in the human body.
More Information
An atom is the smallest unit of matter, making up elements and molecules. In biological terms, however, the smallest functional unit of life in the human body is the cell.
Tips
It's easy to confuse the context (biological vs chemical). For biological systems, focus on cells. For chemistry, consider atoms and molecules.
Sources
- A Cell is the Smallest Unit of Life - bio.libretexts.org
- What is the smallest particle of a compound? - socratic.org
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