Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Amilcar has 10 years of FinTech, blockchain, ...

An axon is a long, slender fiber extending from a neuron (nerve cell), which transmits messages to other neurons, muscle cells, or glands. The messages are in the form of electrical impulses, known as ...

This post shows how to change what the Fn keys do in Windows 11/10. The Fn or the Function key is a meta-modifier key used to activate secondary functions or special features on certain keys. The ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

What Are Pulmonary Function Tests and Why Are They Done? Pulmonary function tests (or PFTs) are also called lung function tests. If you have symptoms or risk factors for a lung disease such as COPD, ...

You know you need water to survive, and you feel better when you drink it regularly. But what’s really at play in the body when you sip H2O? In short, a lot. Believe it or not, your body weight is ...

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.

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 ...

What Are Pulmonary Function Tests (PFTs)? Pulmonary function tests (PFTs) are lung tests. They show how well your lungs work. They’re noninvasive, which means that the doctor doesn’t cut you or put ...

As a person with a chronic illness, I'm no stranger to bloodwork. I used to pore over my lab results, googling the various meanings, and trying not to panic when a test fell out of range. Function ...

What Is a Liver Function Test? A liver function test is one of a group of tests that check levels of certain enzymes and other proteins in your blood. Some of the tests look for enzymes that you’d ...