5328621
Description
Mind Map by Dean Lundie, updated more than 1 year ago
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Created by Dean Lundie
almost 8 years ago
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Defence Against Pathogens
- Animals
- Skin
- Physical barrier that blocks pathogens
- Contains antimicrobial chemicals
- Physical barrier that blocks pathogens
- Mucous Membranes
- Protect body openings
- Secrete mucous which traps and kills pathogens
- Protect body openings
- Blood Clotting
- Mesh of protein fibres
- Prevent pathogen entry and blood loss
- Mesh of protein fibres
- Inflammation
- Tissue damage increases
permeability of blood vessels
- Leaks fluid into surrounding area
and isolates the pathogens
- Swelling
- Leaks fluid into surrounding area
and isolates the pathogens
- Vasodilation increases blood flow
- More White blood cells
- More White blood cells
- Tissue damage increases
permeability of blood vessels
- Wound Repair
- Outer layers of skin divide
and move to edge of wound
- This tissue underneath contracts to
connect the edges with collagen fibres
- This tissue underneath contracts to
connect the edges with collagen fibres
- Outer layers of skin divide
and move to edge of wound
- Expulsive Reflexes
- Automatic response to expel foreign
objects, including pathogens
- Coughing and Sneezing
- Automatic response to expel foreign
objects, including pathogens
- Skin
- Plants
- Physical
- Waxy Cuticle
- Cell walls
- Callose Deposition
- Sieve plate in the phloem are blocked by a
polysaccharide called callose. This prevents
pathogens from moving through the phloem
- Sieve plate in the phloem are blocked by a
polysaccharide called callose. This prevents
pathogens from moving through the phloem
- Waxy Cuticle
- Chemical
- Produce antimicrobial chemicals
- Saponins
- Saponins
- Chemicals that are toxic to insects
- Produce antimicrobial chemicals
- Physical
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