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
Thank you so much “White Elephant”. Passed the first 2 stages. Was in raptures. Had some doubts whether to go first if the tool is already given. Say confidently, it is. Dear colleagues! Such courses are necessary, important, mandatory. In addition to the powerful knowledge, a very important and fundamental an organization: the breaks coffee breaks, and accommodation for non-resident, and overall attitude to the audience. Special thanks to S. Yu. Kiselev, N. A. Fedorenko, A. L. Belsky.
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Once again I want to say thank you to the wonderful, talented expert Anna Lvovna! Each workshop is a harmony of theory and practice, this is positive, comfort and a huge amount of information, answers to questions, stories and literature. Everything can be said in the seminar that it was three days a large number of practices, it’s important. Skip all through yourself, through your body. Dive into the world of kinesiology. Understanding that this is only one facet of this life, I want to continue and other areas. Thank you for a clear presentation, a bunch of pictures, videos for each topic. All very correct and clear. Thank you for the knowledge, for the warmth and humanity! I want to develop further!
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Communication between parents and children is often not easy. Parents often come complaints of child disobedience, and that the child belongs to radiusim his people without any respect. Not all parents are in authority among children. How to educate children to respect their parents, we will now discuss.
But follow these simple rules training, can still hope that the child will treat you with due measure of respect. First and foremost, the emphasis should be laid on discipline.
All loving parents are advised to pay attention to . where you can watch online your favorite cartoons and feature films – at any time convenient for the whole family!
How to educate children to respect their parents
When raising children it is extremely important to remember that it is the parents in the child’s fundamental traits. The value of the discipline is difficult to overestimate. In any family it would be welcome. But to discipline a child correctly.
Think about how often your child before a specific action asks you to give advice.
All children need a certain order in life. And discipline is most conducive to its formation. The more time Continue reading