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Author Question: A reinforcer increases the likelihood that the behavior it follows will occur in the future. ... (Read 47 times) |
Blood is approximately twice as thick as water because of the cells and other components found in it.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.