Fundamentals of Human Biology and Anatomy
The human body has different structural levels of organization, starting with molecules and macromolecules at the lowest level and increasing in both size and complexity to cells, tissues, organs, and eventually to the systems that make up the whole organism.
- 1.Illustration by Kelvinsong (n.d.) distributed under Creative Commons CC0 1.0 Universal Public Domain DedicationGoogle Scholar
- 2.Illustration by Mariana Ruiz, this work has been released into the public domain by its author (Wikimedia Commons)Google Scholar
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