Fighting Disease - Physical Defence Barrier Flashcards
1
Q
What are the first physical defenses that the body uses to prevent pathogens from entering the body?
A
Nose
Mucus
Stomach
Skin
Trachea
2
Q
The nose
A
Has hair and mucus that trap the particles that might have pathogens in them
3
Q
The stomach
A
Has hydrochloric acid which kills any pathogen that get injested into the body.
4
Q
The Skin
A
It is a waterproof barrier that secretes oils that kill microbes and pathogens