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. ……………………….., 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 6. …………………………how to fight the infection, so if the pathogen comes back for round two, the body can beat it off straight away!

нужен ваш ​

SMKate    1   05.05.2021 16:51    14