The medulla oblongata is the lower portion of the brainstem. It deals with autonomic functions. The cardiac center is the part of the medulla oblongata responsible for controlling the heart rate.
HazMat Endorsement Requirements. Below is what you can expect when applying for a Class H endorsement: You must have a valid commercial drivers license (CDL) for the state in which youâre applying. It must be valid (not currently suspended or revoked) and not checkered with serious road violations.
Please note this important information about applying for a Hazardous Materials (Hazmat) endorsement on you Florida CDL: Your application for a new Hazmat or renewal of your current Hazmat-endorsed Florida CDL begins here, by filling out your application form on-line before you go to the driver license office. Click on the button below when you are done reading these instructions.