Which of the following statements best describes similarities or differences between the insect tracheal system and the terrestrial vertebrate respiratory system?

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Only insects use muscle contractions to help ventilate the respiratory system.

In both insects and terrestrial vertebrates, gas exchange takes place directly across cells' plasma membranes.

In insects, O2 delivery takes place by hemolymph to cells, not via blood as in terrestrial vertebrates.

Insects can use spiracles to reduce evaporative water loss; terrestrial vertebrates experience evaporative water loss during their constant breathing.

 

asked Dec 31, 2012 in Biology by anonymous
    

1 Answer

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Insects can use spiracles to reduce evaporative water loss; terrestrial vertebrates experience evaporative water loss during their constant breathing.

 

answered Dec 31, 2012 by anonymous



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