Cells were taken while she was being treated for cancer many years ago and these cells have been cultured in the lab ever since.
The esophagus has a simple but significant functions to animals who has it. These functions can be a) to swallow food and serve as a passageway to the stomach and b) may serve to release the eaten food that might have some harmful compositions or chemicals -the vomit response.
Answer:
Visible light, ultraviolet light and infrared light
Water, which is a chemical compound of hydrogen and oxygen in the ratio two hydrogen atoms for every oxygen atom, contains H2O molecules.
The answer is Liver disease