Neurotransmitters and their Diverse Roles Biology Diagrams

Neurotransmitters and their Diverse Roles Biology Diagrams Neurotransmitters exist as the body's chemical messengers that communicate with each other and with target tissues through synaptic transmission or neurotransmission. Overall, over 40 neurotransmitters exist within the human central nervous system (CNS), each having a specific and vital function for human behavior.

For the most part, neurons in the human brain communicate with one another by releasing chemical messengers called neurotransmitters. All neurotransmitter molecules undergo a similar cycle of use involving (1) synthesis and packaging into vesicles in the presynaptic cell; (2) release from the presynaptic cell and binding to receptors on one or more postsynaptic cells; and (3) rapid removal and

40 Examples & their Functions - Study Read Biology Diagrams

The nervous system regulates the physiology of the human body. The brain, spinal cord, and nerves comprise the nervous system. This nervous system regulates the whole body through nerve impulses transmitted by neurotransmitters. There are approximately 50 neurotransmitters in the human body.

Neurotransmitters are either released by nerves or mediate nerve action. Hormones are released by organs of the endocrine system (pituitary gland, thyroid gland, pancreas, adrenal glands) and travel through the blood. Neurotransmitters affect nerves or muscles throughout the body. Hormones can have an effect on any cell, tissue, and organ in

Neurotransmitters: Functions, Types, and Examples Biology Diagrams

There are more than 40 neurotransmitters in the human nervous system; some of the most important are acetylcholine, norepinephrine, dopamine, gamma-aminobutyric acid (GABA), glutamate, serotonin, and histamine. In the body, it is secreted by most postganglionic sympathetic nerves. It acts to stimulate the processes in the body.