It is transplanted routinely to treat a variety of blood and bone marrow diseases, blood cancers, and immune disorders. More recently, stem cells from the blood stream (called peripheral blood stem cells) and umbilical cord stem cells have been used to treat some of the same blood-based diseases
Sharing via peer reveiw helps valadate your results with others doing the same experiment.
The answer is No. <span>When sodium ions enter the cell, water does not exit to maintain fluid balance. I</span>f extra sodium ions entered the cell, then extra water must be given to keep the same density. Water does not exit, it must be added.
Answer:
Answer ..... because the printing press has not been invented.
Explanation:
Note that, the time that is been referred to as the middle ages is between 1000-1500 AD. The time between the fall of imperial Rome and the beginning of the early modern Europe.
During this time, there has never been any invention for writing or typing the lyrics of a song , so that it can be kept for future reference. Therefore, the only way of grabbing the lyrics of a song is by singing from a generation to a generation.
At this time also, there is no formal education to teach people how to write.