The endocrine system is the name for the glands that produce hormones in a person’s body. These glands include the thyroid gland, pituitary gland, and adrenal gland. The endocrine system produces ...

The endocannabinoid system (ECS) is a complex cell-signaling system that helps regulate your body functions, including sleep and mood, among others. It was identified in the early 1990s by researchers ...

The function keys on your keyboard are the most powerful computer tools that you're not using. We're going to fix that. Almost every computer keyboard has a row of function keys at the top, but it ...

The muscular system consists of various types of muscle that each play a crucial role in the function of the body. Some muscular system functions include mobility, stability, posture, and circulation.

Your nervous system is a network that sends signals between your brain and other parts of your body to control your body's movements and processes. This system includes your brain, spinal cord, and ...

The integumentary system is the physical system that forms the barrier between the external environment and the internal systems of the body. In humans, this system consists of skin, hair, nails, and ...

Your sympathetic nervous system is one of the branches of your autonomic nervous system. It controls functions under unconscious control related to “fight or flight.” Your nervous system plays a ...