Menu English Ukrainian russian Home

Free technical library for hobbyists and professionals Free technical library


BIG ENCYCLOPEDIA FOR CHILDREN AND ADULTS
Free library / Directory / Big encyclopedia for children and adults

Why does an elephant need a trunk? Detailed answer

Big encyclopedia for children and adults

Directory / Big encyclopedia. Questions for quiz and self-education

Comments on the article Comments on the article

Did you know?

Why does an elephant need a trunk?

Thousands and thousands of years ago, giants called mammoths inhabited the Earth. Since they could not endure the hardships and hardships they were subjected to, they gradually perished one by one. But two descendants remained from them - these are the African and Asian elephants.

Elephants are the largest land animals. Despite their enormity, they are meek and very intelligent, with a gentle and patient nature. Of all animals, they are the easiest to train, with the possible exception of the domestic dog.

The elephant has an unusually heavy body, it can weigh 5 tons. It is in order to hold such a weight that the legs of elephants are short and columnar, which gives them the necessary power.

The two tusks that protrude from the upper jaw of an elephant are actually overgrown teeth of all conceivable sizes. Animals use their tusks to uproot roots when looking for food, and also as a means of defense.

In Indian elephants, tusks belong only to males.

An elephant's trunk is an amazing organ, without which an animal simply cannot exist. This is the most remarkable part of the elephant's body, which performs almost the same functions as the human hands. The trunk is a continuation of the nose and upper lip. He serves the elephant with both his hand, and his nose, and his lip!

The trunk has many muscles - about 40. Therefore, this organ is very strong and flexible. So an elephant can use its trunk as a very effective weapon. The tip of the trunk, like the fingers, is so sensitive that it can feel a barely perceptible touch.

The trunk can be used as a hand to put food in the mouth. The elephant drinks by drawing water through the tubes in its trunk, then bends it and releases the water into the throat. He can also refresh himself by showering from his trunk by spewing water onto his back. Elephants are very fond of water and take a bath whenever they can. Despite their weight, they are excellent swimmers. The female often puts her baby elephant on her back while bathing.

There is an assumption that elephants live for hundreds of years, but in captivity they rarely live to be 90.

Author: Likum A.

 Random interesting fact from the Great Encyclopedia:

What happens when you feel dizzy?

Every creature living on earth must have a sense of balance. Since everything is attracted to the ground by gravity, everyone must navigate in space in order to move normally.

The human organs responsible for the sense of balance are called the semicircular canals. These are three tubes located in the ear, stretched in the form of a semicircle.

Why are there three? Because space has three dimensions. Here are three channels and are located in these three directions.

The tubes contain liquid, at one end they have a spherical extension, which is called an ampoule. In these ampoules, stiff hairs grow from sensitive cells associated with nerve fibers.

When the fluid in the channels moves, it causes the hairs to bend, after which signals are sent to the brain and muscles. Because the tubes are in three different positions, moving in either direction will cause the hairs to respond to it. For example, when driving a car, the hairs in two channels are inactive, but in the one responsible for moving forward or backward, the hairs are bent. The reason for this is the liquid.

Now let's say we're spinning fast. The fluid in the horizontal semicircular canal will bend the sensitive hairs back. When we stop, the lymph by inertia will continue to move in a circle. This will cause the hairs to bend in the opposite direction. And at that moment we will feel that we are moving in a circle, although we are standing still or that the whole world is spinning around us. In other words, we feel dizzy.

 Test your knowledge! Did you know...

▪ What is the world cattle weight record?

▪ Who made the first boat?

▪ Who did Hitler consider his main enemy in the USSR?

See other articles Section Big encyclopedia. Questions for quiz and self-education.

Read and write useful comments on this article.

<< Back

Latest news of science and technology, new electronics:

Machine for thinning flowers in gardens 02.05.2024

In modern agriculture, technological progress is developing aimed at increasing the efficiency of plant care processes. The innovative Florix flower thinning machine was presented in Italy, designed to optimize the harvesting stage. This tool is equipped with mobile arms, allowing it to be easily adapted to the needs of the garden. The operator can adjust the speed of the thin wires by controlling them from the tractor cab using a joystick. This approach significantly increases the efficiency of the flower thinning process, providing the possibility of individual adjustment to the specific conditions of the garden, as well as the variety and type of fruit grown in it. After testing the Florix machine for two years on various types of fruit, the results were very encouraging. Farmers such as Filiberto Montanari, who has used a Florix machine for several years, have reported a significant reduction in the time and labor required to thin flowers. ... >>

Advanced Infrared Microscope 02.05.2024

Microscopes play an important role in scientific research, allowing scientists to delve into structures and processes invisible to the eye. However, various microscopy methods have their limitations, and among them was the limitation of resolution when using the infrared range. But the latest achievements of Japanese researchers from the University of Tokyo open up new prospects for studying the microworld. Scientists from the University of Tokyo have unveiled a new microscope that will revolutionize the capabilities of infrared microscopy. This advanced instrument allows you to see the internal structures of living bacteria with amazing clarity on the nanometer scale. Typically, mid-infrared microscopes are limited by low resolution, but the latest development from Japanese researchers overcomes these limitations. According to scientists, the developed microscope allows creating images with a resolution of up to 120 nanometers, which is 30 times higher than the resolution of traditional microscopes. ... >>

Air trap for insects 01.05.2024

Agriculture is one of the key sectors of the economy, and pest control is an integral part of this process. A team of scientists from the Indian Council of Agricultural Research-Central Potato Research Institute (ICAR-CPRI), Shimla, has come up with an innovative solution to this problem - a wind-powered insect air trap. This device addresses the shortcomings of traditional pest control methods by providing real-time insect population data. The trap is powered entirely by wind energy, making it an environmentally friendly solution that requires no power. Its unique design allows monitoring of both harmful and beneficial insects, providing a complete overview of the population in any agricultural area. “By assessing target pests at the right time, we can take necessary measures to control both pests and diseases,” says Kapil ... >>

Random news from the Archive

Share of renewable energy sources in Brazil - 88,8% 03.07.2012

Brazil is the first major industrial country to achieve a record share of renewable energy. According to the National Energy Balance Report (BEN 2012), 88,8% of electricity in Brazil is generated from renewable sources.

Total energy consumption in Brazil grew by 2011% in 2,6 compared to the previous year, with the increase coming almost entirely from renewable energy sources.

The power structure of Brazil has changed slightly over the past two years. Thus, due to a decrease in the yield of sugar cane, the production of electricity from biomass decreased by 9,8%. On the other hand, the production of hydroelectric power increased by 6,3%. Wind power generation is gaining importance, generating 2011 gigawatt hours (GWh) in 2700, up 24,2% from 2010. Over the next four years, new wind farms will open in Brazil, further increasing their share of total electricity generation.

Even though the use of sugar cane biomass has declined, it still remains the most important source of fuel, providing 44,1% of electricity generation. In Brazil, this figure is much higher than the world average of only 13,3%.

The slowdown in energy demand growth relative to GDP growth shows that Brazil is using less and less energy to produce the same amount of goods and services. In other words, the country's economy is becoming more energy efficient. Energy demand per capita in 2011 was 1,41 tons of standard fuel and increased by about 0,5% compared to the previous year.

Brazil's successful "energy reform" experience is of great interest to many countries trying to move from fossil to renewable energy sources. Until now, many economists say that it is impossible to transfer the economy of a large industrialized state to "alternative rails". However, the example of Brazil shows that, under certain conditions, alternative energy is not only reliable, but can also serve as an incentive for economic development.

Other interesting news:

▪ Alternative to blood transfusion

▪ Wood Mushroom Stradivarius Violin

▪ Human stomach grown in vitro

▪ Removing scratches from a car with sunlight

▪ Innovative Supplement for Astronauts

News feed of science and technology, new electronics

 

Interesting materials of the Free Technical Library:

▪ section of the site Electrical safety, fire safety. Article selection

▪ article Economic man. Popular expression

▪ Article Where Did Jazz Come From? Detailed answer

▪ Lungwort's article is obscure. Legends, cultivation, methods of application

▪ article Tooth powders. Simple recipes and tips

▪ article Transformerless power supply in a power amplifier. Encyclopedia of radio electronics and electrical engineering

Leave your comment on this article:

Name:


Email (optional):


A comment:





All languages ​​of this page

Home page | Library | Articles | Website map | Site Reviews

www.diagram.com.ua

www.diagram.com.ua
2000-2024