In the beginning of the last century, scientists proved the existence of 4 groups of blood. How are inherited by child blood group?
The Austrian scientist Karl Landsteiner, mixing the serum of some people with red blood cells taken from the blood of others, found that for certain combinations of red blood cells and serum is “bonding” – the clumping of red blood cells and clots, while others have not.
Exploring the structure of red blood cells, Landsteiner discovered the particular substance. He divided them into two categories, A and b, highlighting the third, where he carried the cage in which they were not. Later, his disciples – A. von Decastella and A. Storli – found cells containing the markers and type at the same time.
The studies have any system of division into groups of blood, which was called AVO. This system we still use today.
I ( 0 ) – blood group is characterized by the absence of antigens A and b;
II ( A) is installed in the presence of antigen A;
III ( AB ) – antigen;
IV( AB ) – antigens A and B.
This discovery made it possible to avoid losses if transfusions caused by incompatibility between the blood of patients Continue reading
With cartoons all people associated with the most bright, kind and sincere memories that go deep into childhood, a time of carelessness and joy. For young children, probably no worse punishment than to forbid to watch your favorite cartoons, because they carry babies in a world of fantasy, magic and adventure, a world where anything is possible.
Modern animated creations so transformed that periodically make a worthy competition to the cinema, because the background is colorful and realistic images in complete relax, immersed in the world of beauty.
In most cartoons good triumphs over evil, positive heroes always find strength and capabilities that help them to cope with difficulties, and magic wands and magical creatures easily transferred to our imagination far beyond the actual.
But everything is so simple? Should I completely trust the creators of such animated masterpieces and allow their child to sit for hours in front of TV screens and monitors? It turns out that not all cartoons have a positive impact on the development of a young person and some individual instances and is able to undermine the already delicate psyche of a child.
To protect your baby from the harmful effects, you need to select the best cartoons for young children, based on which Continue reading
Parents sometimes face the situation that they tell the child one thing and he does not hear and does the opposite. There is the anger and outrage. Let’s see what was the matter. Why the child “hear” what you say? It turns out the child perceives our phrase on its own.
In the childhood phrase-programs are easily digested, as the child’s mind control is lower than in adults. Any careless word perceived by children literally. Parents, often without realizing it, inform the child of the phrase with a hidden installation that is not benefiting them. Of course, this happens unconsciously, we are trying to help, but use the incorrect phrase.
Today we look at the often used phrase and determine how their child hears.
«do Not walk through puddles, catch a cold”, “the dog ” bite”, “Eat slowly, your stomach will be sore”, etc.
The child hears that the world is hostile. All, whatever he did, it is dangerous. That is, it is better to do nothing.
In the future it may become passive, afraid to make a step towards peace, it will be difficult to achieve success in business requires determination.
Say: “let’s Continue reading