Complete the sentence by putting a cross (X) in the box next to your answer - Edexcel - GCSE Biology - Question 2 - 2014 - Paper 1
Question 2
Complete the sentence by putting a cross (X) in the box next to your answer.
The influenza virus is spread from one person to another.
A in the air
B by housefli... show full transcript
Worked Solution & Example Answer:Complete the sentence by putting a cross (X) in the box next to your answer - Edexcel - GCSE Biology - Question 2 - 2014 - Paper 1
Step 1
Complete the sentence by putting a cross (X) in the box next to your answer.
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Answer
The correct answer is A: in the air. The influenza virus is primarily transmitted through respiratory droplets when an infected person coughs or sneezes.
Step 2
Use words from the box to complete the following sentences.
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Answer
The human body has many physical barriers to protect itself from the influenza virus.
These barriers include mucus which is sticky and can trap the influenza virus if it enters the human body.
The body has cilia which can move any trapped influenza viruses out of the body.
