The Brain The human brain is a marvel of nature, featuring 490 kilometers of blood vessels. A single brain cell can store information equivalent to five volumes of the Encyclopedia Britannica. Brain signals travel through neurons at speeds of up to 170 miles per hour, equivalent to the rapid movement of vehicles on an express…
The heart of the world’s tallest creature, the giraffe, has many features. The giraffe’s neck is up to 6 feet high. This means that the brain is located at a height above the body. Pumping blood to the brain, which is located at such a height, is a laborious task. That is, it must pump…
The heart is an organ that begins to function before we are born. It continues to operate until the death of a human being. Cancer affects most parts of the body. But heart cancer is not affected. Experts also say that it is extremely rare if it occurs. The growth of cells and tissues in…
