Кrистинkа2006

10.11.2020 04:38

Английский язык

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Exercise 2. Read and fill in the missing words. Protects, straight, efficient, remembers, fall ill, defense, prevent, organisms, immune, divided
.
Our body has a powerful army that 1.

it from various types of threats. This personal
army is called the 2. ...
system. Every day we encounter a huge number of
bacteria, viruses and other disease-causing 3.
However, we do not 4.
every other day. Which is due to our immune system. The immune system can be
broadly 5.

into two parts - innate and adaptive immunity. Innate immunity is
the body's first natural 6.
..to any intruder. Its main goal is to 7.
...any intruder from entering the body.
There is also the adaptive immunity. This system is more 8.
as it can
differentiate between different types of pathogens.
The job of the immune system is to fight these pathogens and get them out of the body. What's so
incredible about the immune system is that it 9
how to fight the infection, so if
the pathogen comes back for round two, the body can beat it off 10.
away!​