|
|
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 people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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.