This article, which is the second of a six-part series on the nervous system, considers the structure and key functions of the brain, starting with the cerebrum. This article, the second of a series ...

Hormones are a crucial part of the body's signaling system, and the controlled release of these compounds affects tissues around the body. Each of these hormones induces specific responses from these ...

This article discusses how the cranial nerves work as components of the peripheral nervous system; these are special nerves associated with the brain. This is a Self-assessment article and comes with ...

Each part of the nervous system uses internal checks and balances to regulate its activity, responding to various factors like mood, health status, and the external environment.¹ These regulatory ...

The connection between breathing and our nervous system represents one of the body’s most remarkable biological relationships. While most autonomic functions—like heart rate, digestion, and hormone ...

Parkinson’s disease is a neurological condition that can affect several areas of the brain. The area it affects the most is known as the substantia nigra, which is involved with movement. Nerve ...