Skin: Structure and functions
Skin is the largest of all the organ of our body that is not uniformly thick. It is thick at some places and at some...
Phylum : Aschelminthes/Nemathelminthes (round or thread worms), its classification and characteristics
multicellular, triploblastic, bilaterally symmetrical with system grade of body organization. tube within tube body plan. mostly parasitic, few are free living found in sea water,...