Under pressures of depth, blood withdraws from the arms and legs and concentrates in the chest.
Thus, like iodine, it concentrates in the thyroid gland of higher animals.
Methyl mercury concentrates in organisms as it moves up the food chain.
"The real benefit of doing it is that it concentrates in one place accountability for Albany".
Mercury naturally concentrates in fish, a main staple in the diet of many indigenous people.
And it concentrates in the food chain, tainting populations of fish that humans consume.
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The substance concentrates in bones, so even low levels in the environment can build up over time and become harmful.
Undistinguished from normal iodine by the body, it concentrates in the thyroid gland, the growth-regulatory organ.
Not all of them can succeed.In addition, when industries cluster in one location, pollution also concentrates in the same spot.
During glacial periods, the "light" ice is sequestered on land in glaciers, while 18O concentrates in the oceans.
