When Steve cut his hand, his line of defense was broken. NextReset

2 answers:

7 0

The second line of defence is a group of cells, tissues and organs that work together to protect the body. This is the immune system.

When a pathogen (disease-causing organism) invades the body, the neutrophils gather at the entry site and try to engulf it and destroy it.

A T helper cell will recognise only one pathogen. If the T helper cell recognises the invader, it will immediately clone to increase numbers.

After a few days of fighting off the pathogen, he will recover from the infection.

allochka39001 [22]4 years ago

4 0

Hey there,
I hope this is what you are asking for -
When Steve cut his hand, his first line of defense was broken.

Hope this helps :))

~Top♥

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