Task 1. READING
Read the text and fill in the missing words,
Protects, efficient, remembers, fall ill, prevent, organisms
Our body has a powerful army that 1. ... it from various types of threats. This
personal army is called the immune system. Every day we encounter a huge number of
bacteria, viruses and other disease-causing 2......... However, we don't 3.
every other day. Which is due to our immune system. The immune system can be
broadly divided into two parts - innate and adaptive immunity,
Innate immunity is the body's first natural defense to any intruder. Its main goal is
to 4........... any intruder from entering the body.
There is also the adaptive immunity. This system is more 5.
can differentiate between different types of pathogens.
as it
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 6. .................how to
fight the infection, so if the pathogen comes back for round two, the body can beat it
off straight away!
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