Monday 7 January 2013

CHAPTER-2 THE CHEMICAL LEVEL OF ORGANIZATION

CHAPTER-2

THE CHEMICAL LEVEL OF ORGANIZATION

INTRODUCTION


TWO IMPORTANT ASPECTS OF HOMEOSTASIS

1. Maintaining the proper assortment and quantity of different chemicals in our body.

2. Monitoring the interactions of these chemicals with one another.



CHEMISTRY

             Is the science of the structure  and interactions of matter.

MATTER

             Anything that occupies space and has mass.

              All living and nonliving things consists of matter.


MASS

           Is the amount of matter in any object

          which does not change

WEIGHT 

          The force of gravity acting on any object

          does change.



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