<span>This would require an MRI. By using the magnetic waves, the doctor can figure out which tissues in the brain sustained damage (if any). In addition, the MRI can produce images that would not be as easily shown by CT scans.</span>
Regeneration in planarians depends on the presence of stem cells called neoblasts. These cells are distributed throughout the body and, when part of the worm has been amputated, they are activated to reform the tissues that have been removed.
There should be nothing inside the fetal pig
The function of a plant's cambium layer is to <span>produce new cells.</span>
