This M. L. Cooper Pharmacy window breaks down the composition of the human body by element. The body is made up of six main elements: oxygen, carbon, hydrogen, calcium, nitrogen, and phosphorous. Oxygen is the most abundant element in the human body, making up about 60% of the body.
How the body uses oxygen: https://patienteducation.osumc.edu/Documents/how-body-oxygen.pdf
Make your own “bottle” lungs activity: Download PDF
Test Your Knowledge!
Periodic Table Game: http://www.funbrain.com/periodic/
Chemical Elements & Symbols: http://quizhub.com/quiz/free/f-elements.cfm