What do you call the messenger in the endocrine system?

How can you stp a pregnancy after 3 weeks? What the different ailments of digestive system? How do you get rid of a kiliod? Your period is 3 days late but you are not pregnant What could be wrong? What causes the sole of one foot to have a burning sensation? Why do we need a stool exam? Who are the groups who most commonly abuse alcohol? What do you do when someone is suffering in a vegetative state? What Intact skin protects deeper tissues? I am a rock she eats like a bird I'm as hungry as a wolf and the breeze blew the branches back and forth which one is the example of a metaphor? Is eczema a non communicable disease? What layer of the small intestines functions to produce involuntary motility and parastalsis? What type of amnesia is seen most often in people with senile dementia? Can you mix etolodac and flexeril? Why do our voices change when we wake up? What are the most common hypothyroidism symptoms? What is the connection between varicella and the chickenpox vaccine? What is the longest single bone in the body called? Viruses such as AIDS polio and flu in length are? what structure in the body prevents heartburn?