Page 15 - Herlihy: The Human Body in Health and Illness, 3rd Edition
P. 15
21 PH scale
22 CARBON “The element of life. It has the ability to form covalent
bonding with another elements that are essential for life,
as Oxygen, hydrogen and Nitrogen”
Proteins, Lipids and proteins, and nucleic acids, which are
organic compounds, they have C, H, and O in their
formula.”
Brief description: carbon is a Group 14
element and is distributed very widely in
nature. It is found in abundance in the sun,
stars, comets, and atmospheres of most
planets ( sixth most abundant in the
universe)