The human bone is so strong it's a wonder it ever does break! Bone can carry a load 30 times greater than brick can. The strongest bone in the body, the shin bone, can support a load of 1,600 kilograms.
… Read more
Kidneys are most vital part of our body. The kidneys are two, flat, bean-shaped, solid organs that are among the most important in our body. They lie on each side of the spine near the waistline. They are about ten centimeters long.
The kidneys help the body by removing unwanted substances. It is just as … Read more
Man has two sets of teeth: a first (primary), or baby set, and a second, or permanent, set. In a full set of teeth there are four types, and each type has a special job. The "incisors", in the centre of the mouth, cut food, tear food.
The "cuspids" are on either side of the … Read more
Most people think we just have two tonsils, located on either side of the throat just behind the tongue. But this isn't true. There are several pairs of tonsils of different sizes. Tonsils are small bundles of a special kind of tissue called "lymphoid".Because of their location in the throat, they have a special job. … Read more
The pituitary gland is part of the endocrine system of the body, so let us start with that. The endocrine system consists of glands located in various parts of the body. These glands produce active chemical substances called "hormones" These glands send their secretions directly into the blood stream to be distributed throughout the body. … Read more
Every time we examine an organ of the human body, its structure and the way it works almost seems like a miracle to us. The liver is no exception. It is the largest gland of the body and, next to the brain, the heaviest organ- The average human liver weighs about The liver has to … Read more
The cell is the building block that makes up living things. Everything that is alive is made of one or more cells. The simplest plants and animals consist of only one cell. Cells in more complicated living things work together. They are organized in groups, each other which has some special work to do for … Read more
An albino is a person without any colour, or pigmentation. All races have a certain amount of pigmentation, though some among the white race (especially the Scandinavian) have very little.What cause color, or pigmentation, in people? It is produced by certain substances in the body acting on each other. The substances are colour bases, or … Read more
Every living creature must breathe in some way. All animal life breathes by taking in oxygen. Man gets his oxygen by taking air into the lungs.
It seems a simple thing for us to breathe. We do not even think about it as we do it. But I involve quite a complicated process when a … Read more
Yes, the body has its particular function in digesting or consuming food.
Our digestive system has two basic jobs to do with the food we take in. the first job is to break down large food molecules so that they can be carried through the body it is impossible large molecules to pass through the … Read more
There are more than 2,000 kinds of bats, and so naturally there are many differences among them. Most bats eat insects, but there are bats in the warm tropics that eat fruit or the pollen of flowers. And there are still other bats that eat fish or Smaller bats' or blood.
Britain's biggest bat is … Read more
Nobody except the Aboriginal people knew kangaroos existed until about 200 years ago. The first Australian explorers and settlers saw them then for the first time.The kangaroo, of course, has a pouch, and in Australia many mammals have pouches. Australia and its neighboring island are where most of the pouched animals have been found.
Pouched … Read more
There are few animals that depend on flying for moving about as much as a bat does. While birds and insects fly, too, they can manage to walk about if they have to. But the limbs and feet of a bat are not suited to walking, which means they also cannot stand easily.
So when … Read more
At one time, whaling was quite an important industry. To most of us, the idea of hunting for whales must seem a little strange. What can we get from this huge creature that can be useful to us?
Well, the number of valuable products that Come from whales is amazing the blubber of the whale … Read more
The biggest whale also happens to be the largest animal in the world. It is the blue, or sulfur-bottom, whale, which may be more than 30 meters long and weigh 125 tonnes.
It may be found in the waters but is most common in the Pacific Ocean. It belongs to the group of whales known … Read more
Man can move across the surface of the earth much faster than any other mammal but not on its own two legs! Even the fastest runner of all time would rank as a pretty slow-moving creature compared with certain animals.
In a short dash, man has been known to travel at a speed of 22 … Read more
This is very interesting question and the facts are rather more amusing. Just because snakes do not have legs now, does not mean they did not have them at sometime in their development. But how and why they came to lose their legs is not known to science. Some experts believe that the ancestors of … Read more
Cats and dogs, elephants and bats, whales and horses, and monkeys and men belong to a zoological classification called "mammals".
Mammals are distinguished from all other types of life by the factthat there young are fed with milk from the mammary glands of the females. In most mammals the young are born fully formed, instead … Read more
Perhaps you have sometimes watched a snail moving slowly across the ground and wondered how it was able to move, since no "legs" were showing. The fact is that the whole bottom part of a snail's body is really a "foot"! This foot is flat and smooth and contains muscles which the snail uses to … Read more
