Hematological (Blood Forming)

Hematological System The blood cells (erythrocytes, granulocytes, and platelets) and the tissues that form them ((bone marrow, spleen, and lymph nodes) make up the hematological system. Blood carries oxygen, nutrients, and hormones to cells throughout the body. Also, it keeps the blood vessels open, helps the immunological system function (see immunological below), and removes waste and carbon dioxide from body cells.

Click on a substance to go to the health effects chapter in the toxicological profile. Then, search on any target organ system to find the health effects information on that system.

Please Note: The following links point to PDFs containing the information defining the health effects of the selected substance. This PDF format requires Adobe Acrobat Reader external icon , which can be downloaded free from the Adobe web site.

Page last reviewed: March 03, 2011