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Home Q & A Board Biology-Related Homework Help General Biology
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rickyfa18 rickyfa18
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6 years ago
Gas exchange in mammalian lungs occurs in the
 
  a. villi
  b. anterior air sacs
  c. posterior air sacs
  d. bronchioles
  e. alveoli

Question 2

Which is a disadvantage of an exoskeleton?
 
  a. It must be shed (and a new one made) for its owner to grow.
  b. It does not provide as efficient a muscle anchorage as an endoskeleton.
  c. It allows for excess water loss.
  d. It is not flexible enough to allow a full range of movement.
  e. It is not able to absorb pigments for sufficient camouflage.
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longlax42longlax42
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6 years ago
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rickyfa18 Author
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6 years ago
Brilliant
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