The two components of Fick’s law that are responsible to satisfy the oxygen demand of flatworms . Introduction: Diffusion is described as the movement of molecules from a higher concentration to lower concentrations. The movement of the molecules is dependent on certain factors, the relation of which is shown by Fick’s law of diffusion. According to Fick’s law of diffusion (Q = DA = P1 − P2L), the diffusion across membranes depends upon the area, partial pressures of gases, and on path length.

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Chapter 48.1, Problem 2R

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The two components of Fick’s law that are responsible to satisfy the oxygen demand of flatworms.

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Diffusion is described as the movement of molecules from a higher concentration to lower concentrations. The movement of the molecules is dependent on certain factors, the relation of which is shown by Fick’s law of diffusion. According to Fick’s law of diffusion (Q = DA = P1 − P2L), the diffusion across membranes depends upon the area, partial pressures of gases, and on path length.

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How do flatworms accomplish gas exchange (obtain oxygen and get rid of carbon dioxide)? What physical feature of flatworms enables them to survive using this method of gas exchange?