Blood vessels (Types, structure and functions)
Blood vessels Our circulatory system is of closed type. i.e. blood flows within blood vessels which are network of closed tube like structures with walls. […]
Month: July 2017
Blood and plasma (Appearance, composition and functions)
Blood An average adult person has about 4-6 liters of blood, which forms about 8% of the body weight. The study of blood is called […]