Acetylcholine, a key neurotransmitter, plays a vital role in your body by facilitating communication between neurons in both the central and peripheral nervous systems. It is essential for muscle ...

Body functionality refers to everything that the body can do. Body functions broadly fall into six domains, including (1) physical capacities (e.g., stretching), (2) internal processes (e.g., ...

Living things have a remarkable ability to function and thrive in a variety of environments that are constantly changing. Despite exposure to wildly different temperatures during heat waves and cold ...

Your body is constantly performing a delicate balancing act that most of us never think about. While we’re busy worrying about calories and carbs, a microscopic chemistry experiment determines how ...

Cortisol is a steroid hormone that regulates a wide range of body functions, including immunity, inflammation, and metabolism. Because of its role in regulating the stress response, people also call ...