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Human Physiology It refers to human physical, mechanical, and metabolic function. In order to study how the human body adjusts to physical activity, stress, and diseases, this ties together health, medicine, and science. A physiologist is someone who has received training in human physiology. Because of his outstanding studies, Claude Bernard is known as the "father of physiology." The Functions of Human Body Components Although the accepted definition of an organ is still up for controversy, the list of human bodily components varies. To yet, 79 organs have reportedly been found, according to estimates. In the course of our evolution, certain of our organs have "lost" their function. These organs are referred to as vestigial organs. Several of these organs cooperate to produce systems that are specialised to carry out a single function or a group of related ones. They are collectively referred to as organ systems. Five of the 79 organs are also very necessary for s...

Body of a Human The cell would be the basic building block of the human body if we were to "tear apart" the body at the microscopic level. An estimated 242 billion new cells are created day, and the average adult has between 30 and 40 trillion cells in their body. A tissue is created when a certain assortment of cells with related tasks unite. Organs are built up of tissues, and systems of organs eventually combine to form a full organism. human anatomy Skelton The human body is capable of many different actions, such as crawling, jumping, and climbing in addition to walking and running.  The skeleton serves as the structure for  carrying out all of these tasks. At birth, an adult human can have up to 300 bones. Age, though, causes the bones to fuse together. At adulthood, there are just 206 bones overall. Together with the heart, lungs, and liver, the skeleton also safeguards other important organs. By ligaments, a fibrous connective tissue, bones are joined to o...

xrays. History Of Xrays Wilhelm Conrad Roentgen, a professor at Wuerzburg University in Germany from 1845 until 1923, made the discovery of X-rays in 1895. Roentgen noticed crystals glowing fluorescently on a table close to his cathode-ray tube as he was working on it in his lab. The glass envelope (bulb) that housed the positive and negative electrodes that made up the tube Roentgen used to make his measurements was what made up the device. A high voltage was applied after the tube's air was evacuated, and the tube produced a fluorescent light. Under a black light, fluorescent colours glow and are bright, vibrant colours. When Roentgen used thick black paper to conceal the tube, he saw a green fluorescent light coming from something a few feet distant. He deduced that the tube was emitting a novel kind of radiation. The phosphorescent materials in the room could be excited by this light, which could penetrate the thick paper covering. He discovered that the new ray cou...

X-Rays Describe X-rays. Images of internal organs, bones, and tissues can be captured on film or in digital form using X-rays, which emit invisible electromagnetic energy beams. Standard X-rays are used for a variety of purposes, such as the diagnosis of malignancies and bone injuries. To create images of the body, its organs, and other internal structures for diagnostic purposes, X-rays use external radiation. A "negative" type image is created when X-rays penetrate human structures and land on specially treated plates (similar to camera film) or digital media (the more solid a structure is, the whiter it appears on the film). Different bodily components permit various amounts of the X-ray beams to pass through when the body is exposed to X-rays. The body's soft tissues, including the blood, skin, fat,  and   The majority of the X-ray is able to pass through muscle and appears as dark grey on the film or digital medium. Soft tissue is more permeable to X-rays...

CT scan  The CT Scan: Who Invented It? British engineer Godfrey Hounsfield of EMI Laboratories developed the first CT scanner that was marketed to the public in 1972. He and the physicist Dr. Allan Cormack jointly developed the technology. Later, the 1979 Nobel Prize in Physiology and Medicine was jointly given to both scientists. Hounsfield became Sir Godfrey Hounsfield in 1981 after receiving a knighthood. Above: Godfrey Hounsfield with the first commercial CT scanner. However, Johann Radon's 1917 "Radon transform" mathematical theory, which was the basis for the technology, was what actually made it possible. The "Algebraic Reconstruction Technique," developed in 1937 by Polish mathematician Stefan Kaczmarz, is another mathematical innovation that Hounsfield relied on. Hounsfield applied both school of thought to develop Interestingly, Hounsfield was unqualified because he dropped out of school at the young age of 16. Therefore, he received just h...

Radioactivity   Discovery of Radioactivity   It took several years for the discovery of radioactivity to occur, starting with Wilhelm Conrad Roentgen's discovery of x-rays in 1895 and continuing with figures like Henri Becquerel and the Curie family. X-rays and radioactive materials have a wide range of uses in both industry and medicine. Nuclear reactors and isotope-infused saline solutions are only two examples of the many applications for radioactive material. With the help of these technologies, we are able to use enormous quantities of energy and study biological processes in ways that weren't even imaginable a century ago. Introduction What exactly is meant by radioactive? The confusing response you will find if you check up the definition in the dictionary is: Adjective: radioactive means emitting or having to do with ionising radiation or particles. What exactly are ionising radiation or particles, given this definition? What is meant specifically by emissi...

Iodine History its name's etymology From the Greek word "iodes," which signifies violet, comes its name. Background In 1811, a French scientist named Barnard Courtois made the discovery of iodine while removing potassium and sodium from seaweed ash. He mistakenly added sulfuric acid, which caused the mass to emit a violet-colored cloud. The resultant vapour was condensed into opaque crystals, which was the first instance of solid iodine to be seen.  Basic Information Name  Iodine\sSymbol I Atomic number 53. Nuclear mass 126.9 amu at 298 K, standard state solid Group name for Group 17 in the Periodic Table Halogen. Block in the p-block of the fifth periodic table period. Violet-dark grey with a glossy finish Classification Non-metallic 386.85 K (113.7°C or 236.7°F) is the melting point. 457.55 K (184.4°C or 364°F) is the boiling point. 4.9 g/cm3 for density Solid at room temperature. Occurrence Iodine can be found in significant amounts in sea water, sea kelp, ...