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Author Question: What new avenue of economic expansion opened as a result of the War of 1812? a. Americans started ... (Read 34 times) |
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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.
Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.