|
|
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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.
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
Asthma cases in Americans are about 75% higher today than they were in 1980.
![Localization of a Peptide The peptide is revealed by means of immunocytochemistry. The photomicrogra](https://biology-forums.com/gallery/47/medium_6_31_03_15_7_18_50_211942299.jpeg)
![Apply circular friction and direct pressure to suboccipital muscles one side at a time.Turn head to ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_3_35_47_331552164.jpeg)