According to the New International Standard Medical & Health Encyclopedia, the hardest spot on the human body is the enamel covering the teeth. The next hardest spots are the bones that make up the human skeleton. Specifically, the jaw bone is the hardest bone in the human body, making it the next hardest spot on the body, according to the Chicago Museum of Science and Industry.Continue Reading
The New International Standard Medical & Health Encyclopedia reports that tooth enamel covers the exposed parts of your teeth, protecting the softer internal tooth structures. Tooth enamel is made up mainly from minerals and can be as strong as gemstones. Enamel needs to be strong so you can chew and eat food.
According to the New International Standard Medical & Health Encyclopedia, the bones of the skeleton are important because they support and shield critical internal organs. The skull houses and protects the brain, the organ that regulates all aspects of human survival such as breathing and circulation. The spine supports the rib cage which protects many important internal organs, such as the lungs, heart and liver. The pelvic girdle is made up of many bones that are connected to the spine by the sacrum, an important element for human mobility. The jaw bone supports the teeth and gums.Learn more about Human Anatomy
About.com suggests that blind spots have an explanation rather than a function. The explanation is that the part of the eye that the optic nerve exits from does not have rods or cones, thus resulting in a blind spot. Scholarpedia states that blind spots are present only in vertebrates because eyes in vertebrates develop from the brains, as compared to cephalopods, whose eyes develop from the skin and therefore have no blind spots.Full Answer >
Fordyce spots are not caused by any specific condition, they naturally occur in some people. The spots are a type of sebaceous gland.Full Answer >
"Mystery spots" are found in many places around the United States, and are the result of unusual local topography. A mystery spot is typically purported to be a place where some force of nature, usually gravity, behaves in unusual and mysterious ways. Many mystery spots feature houses where visitors can walk at odd angles across the floor or walls and areas where water and dropped balls roll uphill.Full Answer >
The loin is located below the rib cage just below the pelvis on the human body, according to Reference.com. Commonly referred to as loins, the loin area of the human body refers specifically to the sides below the ribs that includes the human genitals.Full Answer >