In any imbalance of nerve endings are very important people can die <span>for it is very sensitive nerve endings</span>
11)B 12)D 13)D 14)A 15)D 16)A 17)A 18)B 19)A 20)B 21)B 22)C
Sex cells are haploid, therefore it has half the number of chromosomes (23) while other cells have 46
Simple organic molecules can be organized into much longer, more complex molecules.
