Genetic drift is a mechanism of evolution in which allele frequencies of a population change over generations due to chance (sampling error).
Genetic drift occurs in all populations of non-infinite size, but its effects are strongest in small populations.
Genetic drift can have major effects when a population is sharply reduced in size by a natural disaster (bottleneck effect) or when a small group splits off from the main population to found a colony (founder effect).
Answer:
A.) Education. That is always the first key to reducing risk as knowledge is our most powerful weapon.
Explanation:
Motor neurons carry messages from the CNS to other parts of the body
Answer:
histamin, wider, swelling
Explanation:
Inflammation is defined as the response of body's immune system to a stimulus (invasion of pathogen or any injury). Some of the inflammatory responses are swelling of wound, redness of wound and itching at injured area et-cetra.
Upon any injury, the injured cells releases a chemical including histamin which causes vasodilation and increased permeability of blood vessels. This chemical recruit white blood cells to the damaged area and initiate the healing process. This chemical allows the local blood capillaries more wider due to vasodilation effect. Under the influence of histamin, the endothelium lining become leaky and allows movement of fluid to interstitial tissue spaces. When the extra fluid moves from capillaries to damaged tissue, it causes swelling or called edema.
The white blood cells initiate phagocytosis of pathogens at injured area and destroy the pathogens. Due to increased pressure from edema and toxins released by pathogens, the pain sensation prolongs, even while the body is repairing the tissue.
Hence, the correct answers are histamin, wider, swelling.
You can... Chronic Kidney Diseases doesn't't mess heavily with overall blood composition, neither does spread between people or is dangerous to donate. There are several instances where one may not donate blood; blood transmitted disease like HIV or Syphilis, or a clotting factor deficiency, which is hemophilia, which while not exactly anything to worry about bloodwise, is much more dangerous to the person donating it, as without proper equipment or medication, a patient can bleed out.
