Brain natriuretic peptide (BNP), also known as B-type natriuretic peptide, is a hormone secreted by cardiomyocytes in the heart ventricles in response to stretching caused by increased ventricular blood volume. BNP is named as such because it was originally identified in extracts of pig brain.
How your bladder works. Your bladder is controlled by a complex system of nerves from your autonomic nervous system (parasympathetic and sympathetic), as well as by your spinal nervesare nerves that enter and exit the spinal cord, transmitting sensory and motor information to and from the brain.
It is important that the internal environment of the body is controlled. Maintaining a constant internal environment is called homeostasis. The nervous system and hormones hormones: Chemical messengers produced in glands and carried by the blood to specific organs in the body are responsible for this. These are some of the internal conditions that are controlled.