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video for Beg- Pre inter / Types Of BLOOD GROUPS
J** 2023-03-31 오전 12:20:03 301



Types Of BLOOD GROUPS



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Vocabulary:
1.Antigen – is a type of complex protein situated at the outer layer of the cell membrane.
2.The cell membrane= is a thin but tough wall surrounding the cell. It allows useful substances to enter the cell. But it blocks the entry of harmful substances. The membrane also forces out waste products.
3.The immune system = is made up of a network of cells, tissues, and organs that work together to protect the body.
4.Blood cells = make up about half the volume (amount) of blood. These cells form inside bone marrow, which is a soft tissue inside bones. There are three main types of blood cell: red cells, white cells, and platelets. Red blood cells are the most numerous kind of blood cell. Questions:
1.When you hear the word BLOOD, what pops up your mind?
2.What is the main topic in this video?
3.How many blood types humans possess?
4.What are antigens? And how do they work?
5.What are the two main kinds of antigens?
6.What is your blood type if you have both A and B antigens?
7.What is your blood type if you have only Type A antigens?
8.What is your blood type if you have only Type B antigens?
9.What is your blood type if you don’t have any antigens present in your cells?
10.Why blood types matter?
11.Who in 1909 was the first person to correctly identify the four main blood groups?
12.Do you know your blood type? Is it important to know it? Why or why not? Discuss your answer.

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