- They are highly vascularised so as to take away diffused gases and maintain high concentration gradient ;
- They have a large surface area to increase the rate of diffusion ;
- They have a thin film of moisture to dissolve the gases for diffusion.
- They have thin walls to reduce distance of diffusion increasing the rate of diffusion.
sharon kalunda answered the question on May 24, 2019 at 09:47
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What is the importance of chewing food?
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May 24, 2019
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May 24, 2019
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May 24, 2019
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May 24, 2019
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May 24, 2019
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May 24, 2019
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State three sites of gaseous exchange in mesophytes.
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May 24, 2019
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May 24, 2019
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May 24, 2019
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May 24, 2019
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Describe the way by which terrestrial plants are adapted to living in arid and semi-arid ecosystems.
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May 24, 2019
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Describe the adaptations of wind pollinated flowers.
Date posted:
May 24, 2019
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Date posted:
May 24, 2019
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(Solved)
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Date posted:
May 24, 2019
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Date posted:
May 24, 2019
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(Solved)
State the function of goblet cells.
Date posted:
May 24, 2019
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(Solved)
The diagram below is a cross section through a part of human ileum.
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Date posted:
May 24, 2019
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Answers (1)
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May 24, 2019
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At what stage do chromatids separate during meiosis ?
Date posted:
May 24, 2019
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