41.Two punctures will appear on the part bitten by a

42.Cornea is a part of Which of the following organs of human body ?

43.Consider the following statements regarding blood pressure : 1. It is the pressure exerted by the blood on the walls of any vessel. 2. It decreases in the arteries as the distance from the heart increases. 3. It is lower in the capillaries than in the arteries. 4. It is usually lower in women than in men.Of these, the correct ones are

44.The number of ribs in human body is

45.S-A node of mammalian heart is known as