People do shrink as they get older. Age-related shrinking can be attributed to a variety of different reasons, some of which are preventable.Know More
People shrink as they age because the vertebrates in the spine lose fluid and flatten. Over the years, the arches of the feet flatten, causing a person to be a little shorter. Most people lose muscle mass in middle to later life, and that affects posture. The more a person slouches, the shorter he or she appears.
In order to prevent age-related shrinking, regular exercise is necessary. Workouts geared toward core strengthening and those that work the legs and hips are important. Foods containing calcium and vitamin D also help.Learn More
Fingernails appear to turn gray or blue after a person dies because the blood, full of oxygenated red blood cells, no longer flows underneath the nail bed. The natural color of the nail then shows. The nails do not actually change color, because like hair, the nails are not living tissue. During life, only the nail root contains living cells.Full Answer >
HowStuffWorks explains that people cannot tickle themselves because the brain is aware that the sensation of touch is impending, and it loses the effect of surprise that usually accompanies the sensation of being tickled. The brain's cerebellum is responsible for deciphering whether a touch is familiar or unexpected.Full Answer >
Common types of physical traits include characteristics related to height, weight, skin, build, complexion, hair and eye. For example, the physical traits of eyes can be divided up by eyebrow size, eyebrow shape, eye shape, eye color and eyelash length.Full Answer >
The function of the fimbriae is to produce a peritoneal fluid, which moves the egg to the uterus. The fimbriae come into use during ovulation.Full Answer >