Blood consists of 3 types of cells, suspended in a liquid called plasma. These three types of cells, red blood cells (RBC), white blood (WBC) cells and platelets perform different functions throughout the body. RBC’s transport oxygen to cells and is doughnut shaped. WBC’s play major role in our immune system, and appears usually in spherical shape. Platelet are cell fragments and they help in blood clotting. This is a Scanning Electron Microscopic Image of Human RBC, WBC and Platelet.
INFO OF THE DAY
Blue Dragon or Blue sea slug (Glaucus atlanticus) is an aeolid nudibranch which comes under the Phylum mollusca and family Glaucidae. These sea slugs are pelagic: they float upside down by using the surface tension of the water to stay up, where they are carried along by the winds and ocean currents. THis animal is camouflaged: the blue side of their body faces upwards, blending in with the blue of the water. The silver/grey side of the sea slugs faces downwards, blending in with the silvery surface of the sea.