S8pe-31101-ca 12/9/05 5:01 PM Page 340 About 25 common ...

About 25 common elements make up living things. Close to 100 elements occur naturally.Of these,25 are found in living things.As you can see in the pie graph at the left,about 97 percent of your bodyÕs mass consists of just four major elementsÑ oxygen,carbon,hydrogen,and nitrogen. Major Elements The six most common elements in living things are ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download