Nervous System Function

THE NERVOUS SYSTEM IS THE MOST complex system in the body and regulates hundreds of activities simultaneously. It is the source of our consciousness, intelligence, and creativity and allows us…

Nerve Cells

Neurons are nerve cells that originate, process, transmit, and receive nerve impulses. They are connected to other neurons or to cells in muscles, organs, or glands. Nerve impulses travel electrically…

Sensory Receptors

Sensory receptors respond to stimuli and transmit data about them to the brain. In the skin, receptors detect touch, pressure, vibration, temperature, and pain. Elsewhere in the body, more specialized…

Voluntary and Involuntary Responses

The responses of the nervous system to stimuli may be voluntary or involuntary. Voluntary responses are mainly under conscious control, but some voluntary movements, such as walking, require less conscious…

Information Processing

Different types of sensory information are processed in different parts of the nervous system, which sends out appropriate response signals. Complex information, such as data about music and emotion, is…