Skin constantly regenerates and takes approximately 27 days to regrow, while damaged skin growth can vary depending upon the nature and severity of the injury. Scraped skin can take as long as three weeks to grow back, whereas burned skin can take months for regrowth.Continue Reading
The outer layer of the skin is comprised of dead skin cells overlaying the epidermis, which is the topmost, living layer of skin. As skin cells die, they either flake off or are washed away with water.
Damaged skin can have healing growth stimulated through various means, such as stitches for deep or wide cuts that shorten the distance for new skin growth over the wound.Learn more about Organs
The digestive system helps the body break down food, so nutrients can be used for cell repair, growth and energy. The digestive system is also responsible for storing and excreting solid wastes.Full Answer >
A dysfunctional hypothalamus can lead to complications such as growth hormone deficiency, brain tumors, hypothyroidism, gonadal deficiency and adrenal insufficiency, as noted by MedlinePlus. These health complications, which result from hypothalamic dysfunction, can cause vision disorders, permanent blindness, heart problems, heart disease, thin bones, weakness, high cholesterol, infertility and a number of other life-threatening health problems.Full Answer >
The liver can completely repair damaged areas within 30 days, according to the University of Iowa. The liver is the only organ that can replace damaged tissue with new cells instead of scar tissue. However, when scar tissue does develop in the liver from cirrhosis, for instance, it isn't replaced with new cells. An overdose of Tylenol can kill 50 to 60 percent of liver cells in about three days.Full Answer >
The four organs of excretion are the kidneys, the lungs, the skin and the liver. Excretion is the process of elimination of toxic waste products and substances in excess of requirements from the human body.Full Answer >