The Essential Elements That Make Up the Human Body #1729958 (License: Personal Use)

This educational illustration visualizes the human body alongside molecular representations of its six most abundant elements: hydrogen (H), carbon (C), oxygen (O), nitrogen (N), calcium (Ca), and phosphorus (P). Each atom is color-coded and shown in simplified molecular arrangements to emphasize their structural and functional roles-from DNA and proteins (C, H, O, N) to bones and ATP (Ca, P).

Used on science education websites, biology textbooks, or health-focused content explaining human biochemistry; matches user intent for learning foundational anatomy/physiology or preparing for exams.