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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
![Stretching the flexors of the foot in plantarflexion, recipient prone. Lower leg perpendicular to ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_12_34_55_33040865.jpeg)
![Assist recipient into side-lying position. Woman sits on edge of table holding drape to cover her ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_7_22_04_333271309.jpeg)
![Clear the cisterna chyli. Instruct the recipient to take in a deep diaphragmatic breath and hold it ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_8_49_33_33483261.jpeg)