What system produces chemicals called hormones that help to regulate many body activities and functions?

How are aluminum alkyls primarily used by the chemical industry?

a. As polymerization catalysts b. As polymerization inhibitors c. In oxidation reactions d. To inhibit water-reactive substances from reacting with water

Code I10 is reported in the chapter entitled Diseases of the ___ system.

Fill in the blank(s) with the appropriate word(s).