All That Matters

Levees and river system

In order to understand what a levee is one must understand a river system. A stream may be joined by tributaries (side streams) that finally merge with a larger stream or a river. A river finally empties into the sea. All the streams and the river make up a river system. Excepting a few like

Characteristics of cells of the human body

All the living organisms like plants, animals, humans are made up of cells. These cells grow and divide, function, repair and self destruct in a controlled manner so that the organism develops properly. A human body consists of 200 different kinds of specialized cells making up to around 1014 cells in total. Lot of important

Fish: Role of swim bladder

A swim bladder is for a fish as lungs are for human. The fish takes in oxygen from the water using its gills. There are also some species especially those in slow-moving waters gulp air at the surface. An example is lung fish. The lung fish has a swim bladder richly supplied with blood vessels

Different types of blood vessels in the human body

Blood takes a very long trip inside the human body. The blood vessels accomplish this task of carrying blood to all the organs of the body from and back to the blood pumping station or the heart. The study of blood vessels is called angiology. The heart, the blood vessels and the blood together are

Diaper: How does it work?

When water is poured on a dry diaper, it absorbs them and the top layer remains dry. This is because of the presence of a super-absorbent layer found in diapers. Now, the magic of absorbing lot of water is done by a chemical present in the super-absorbent layer. It is Sodium polyacrylate.    Sodium polyacrylate