Yes it can kill brain cells. if you hold your breath for a short amount of time example 10 seconds it won't do any harm. but if you hold your breath for an extended time like a minute the cells will not get enough oxygen and eventually die. I hope I helped you
D. Growth, Metabolism, and Differentiation.
By the animal adapting they are able to reproduce more efficiently
physical properties include smell, sight, hear, and basically all of the 5 senses
