1. Grammar. 2. Student’s book p. 179 ex. 19 read the text, ex. 20,21 after reading. Please record your answers in audio-files.. 3. Student’s book p. 183 ex. 22. 4. Student’s book p. 184 ex. 23. Your task is to prepare a dialog in written form. This is a p

1. Grammar

2. Student’s book p. 179 ex. 19 read the text, ex. 20, 21 after reading. Please record your answers in audio-files.

3. Student’s book p. 183 ex. 22

The immune system is a subsystem that exists in vertebrates and combines organs and tissues that protect the body from diseases. The immune system recognizes a wide variety of pathogens, from viruses to parasitic worms, and distinguishes them by the biomolecules of their own cells. Recognition of pathogens is complicated by their adaptation and the evolutionary development of new methods for successful infection of host organism. The ultimate goal of the immune system is to destroy the foreign agent. This achieves the biological individuality of the organism. In the immune system of developed organisms, there are many ways to detect and remove foreign agents, this process is called the immune response.

4. Student’s book p. 184 ex. 23. Your task is to prepare a dialog in written form. This is a partner task.

1. What is the basis of this dietary Supplement?

Based on a plant that is not found in our latitude.

2. How does it stimulate the human immune system?

When a dietary Supplement based on this plant enters the body, it perceives it as a foreign substance, so it immediately develops hidden resources of organism.

3. What's the advantage of this Supplement?

This Supplement does not require a long time to take in order to get a healthy effect.

4. Will the price be available to the average person?

Yes, it will be one of the most affordable supplements on the market.

5. Student’s book p. 184 ex. 24.

When an antibody enters the host's body, I Wake up. Drifting through body fluids, I get to viruses or micro-organisms. Then I stick to them and destroy.

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