What Is Cyclobenzaprine Used For? Cyclobenzaprine hydrochloride (Flexeril Â®) is a prescription medication used to treat muscle spasms. As a muscle relaxant, cyclobenzaprine can help relieve pain, tenderness, and stiffness due to muscle spasms.
The main function of endocrine glands is to secrete hormones directly into the bloodstream. Hormones are chemical substances that affect the activity of another part of the body (target site).In essence, hormones serve as messengers, controlling and coordinating activities throughout the body.he main function of endocrine glands is to secrete hormones directly into the bloodstream. Hormones are chemical substances that affect the activity of another part of the body (target site).
Endocrine Glands. Glands are a group of cells that produce and release hormones directly into our blood stream in a process called secretion. There are 2 types of glands. Exocrine glands have ducts or channels which secrete chemicals such as saliva or sweat. Endocrine glands do not have ducts; they secrete hormones directly into the blood stream.