CHEMICALS OF LIVING THINGS
ELEMENTS IN THE HUMAN BODY
- The most abundant elements in the human body are Oxygen(O2), Carbon(C), Hydrogen (H), Nitrogen(N), Calcium(Ca), and Phosphorus(P).
THE IMPORTANCE OF WATER
- Water is a polar molecule held together by covalant bonds.
- The different ends of water attract different substance and makes water sticky.
- Water molecules are cohesive and adhesive because of hydrogen bonds.
- Important properties of water are capillary action, surface tension, high heat capacity, and increased density as a solid.