Abstract
Like the coleoid cephalopods, Nautilus has a well-developed respiratory system, but there are numerous anatomical differences between the two groups. Nautilus possesses four gills instead of two; the hyponome (funnel) is formed by two overlapping muscular flaps instead of being fused distally into a continuous tube; most important, the presence of an external shell with a thin, lining mantle requires that ventilation be accomplished by a means other than mantle contraction and expansion. This anatomy and the process of ventilation are described in detail in Chapter 25. In this chapter, respiratory physiology will be discussed primarily from the standpoint of oxygen uptake and utilization.
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© 2010 Springer Science+Business Media B.V.
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Redmond, J.R. (2010). Respiratory Physiology. In: Saunders, W.B., Landman, N.H. (eds) Nautilus. Topics in Geobiology, vol 6. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-3299-7_21
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DOI: https://doi.org/10.1007/978-90-481-3299-7_21
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-481-3298-0
Online ISBN: 978-90-481-3299-7
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