What is Duane Syndrome? Duane syndrome (DS) is an eye movement disorder that is present at birth and characterized by a limited ability to move an…
Browsing: Anatomy, Physiology & How the Body Works
Understanding how the human body works is the foundation of better health. This category explores human anatomy, physiology, and biological processes—explaining organs, systems, hormones, and functions in a clear, educational, and science-based way.
Contrary to general opinion the pectorals (pecs) are not a large muscle group. They can be classified as a small muscle group, just like the biceps.…
10.00 p.m. There is a doubling in the number of white blood cells – our immune system verifies the entrusted her territory. Body temperature drops. Biological…
There are four major blood groups (A, B, AB, and O), which were discovered by Austrian scientist Karl Landsteiner in 1901. From those groups, the eight…
Nitric oxide is a very simple molecule consisting of one atom each of oxygen and nitrogen. It should not be confused with nitrous oxide which is…
While some states in the United States contemplate requiring labels on cell phones to warn of possible health dangers, scientists in Florida believe mobile phone use…
Antidiuretic hormone (ADH), also known as vasopressin, is an endocrine hormone that helps maintain water balance in the body. Triggered by dehydration, ADH is produced by…
Genetic testing previously available only through doctors’ offices is now available directly to consumers. These tests are identified as Direct-To-Consumer Genetic Tests (DTC) or At-Home Genetic…
Two top neuro-scientists, Sandra Aamodt and Sam Wang, have written an engaging book titled Welcome to Your Brain (Bloomsbury USA, 2008). The book explains new discoveries…
As well as conveying emotion, eyes can reveal a surprising amount about a person’s health and age. Doctors always check eyes during a physical examination as…