1948769
Organisms Interfaces
- The main three
- Skin
- blood clot forms
- prevents pathogens from entering
- prevents pathogens from entering
- skin breaks
- pathogens enter
wound before clot is
formed
- pathogens enter
wound before clot is
formed
- blood clot forms
- Gas-Exchange system
- Breathe in air containing pathogens
- most trapped in
the mucus lining of
the lung epithelium
- Epithelium= the outer layer of
cells in the passsages to the lung
- These cells have Cilia
- that beat and move
the mucus up to the
trachea to the
mouth
- that beat and move
the mucus up to the
trachea to the
mouth
- These cells have Cilia
- Epithelium= the outer layer of
cells in the passsages to the lung
- Some pathogens reach aveoli
- invade cells and cause damage
- invade cells and cause damage
- most trapped in
the mucus lining of
the lung epithelium
- Breathe in air containing pathogens
- Digestive system
- most pathogens killed
by stomach acid
- Some survive stomach acid
- pass into intestines
- invade cells of the gut wall
- Causes disease
- Causes disease
- invade cells of the gut wall
- pass into intestines
- most pathogens killed
by stomach acid
- Skin
- Key
- Positive
- Negative
- Extra information
- Positive
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