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Human Biology 11.4 > Features of Exchange Surfaces > Flashcards

Features of Exchange Surfaces Flashcards

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1
Q

What are the 6 features of efficient exchange

A
  1. temp
  2. pH
  3. large SA
  4. constant blood supply
  5. Moist
  6. Single Epithelial layer
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2
Q

how does constant blood supply help

A

creates diffusion gradient and transports materials around body

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3
Q

how does moistness help

A

keeps epithelial cells alive and functioning and a substance dissolving is quicker

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4
Q

how does a single epithelial layer help

A

less distance to travel and difuse

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Human Biology 11.4 (5 decks)

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