... variability Oxygen transport Oxygen consumption Heart rate Haemoglobin Hypoxia A major role of the cardiovascular system is to maintain adequate delivery of O 2 to the tissues to support rates of O 2 consumption ( V̇ O 2 ) both at rest and during periods of increased activity. This becomes...

... allosteric regulation in bar-headed goose, a hypoxia-tolerant species renowned for its high-altitude migratory flights. High-altitude Blood Oxygen transport Allostery Adaptation Hypoxia Using flight paths that crest the Himalayas, bar-headed geese ( Anser indicus ) make a roundtrip annual...

... specific CO 2 sensitivities compared with humans that predictably safeguard O 2 uptake and transport under hypoxic and hypercapnic conditions. Bohr effect Carbon dioxide Hypoxia Hypercapnia Oxygen transport Among the multiple mammalian lineages that have adopted subterranean habitats...

... of their physiological capabilities to withstand elevated temperatures vital for predicting future redistributions of species and influencing management regimes (e.g. Deutsch et al., 2015 ). Climate change Gadus morhua Oxygen transport O 2 affinity Thermal tolerance Bohr effect Highlighted...

...Tobias Wang; Sjannie Lefevre; Nina K. Iversen; Inge Findorf; Rasmus Buchanan; David J. McKenzie To address how the capacity for oxygen transport influences tolerance of acute warming in fishes, we investigated whether a reduction in haematocrit, by means of intra-peritoneal injection...

..., and drafted and revised the article. Competing interests The authors declare no competing financial interests. 21 10 2013 17 3 2014 © 2014. Published by The Company of Biologists Ltd 2014 Salmo salar Hypoxia Growth hormone transgenesis Polyploidy Metabolic rate Oxygen...

...-altitude hypoxia can provide a basis for predicting how altitudinal range limits might shift in response to climate change. * Author for correspondence ( [email protected] ) 31 8 2010 © 2010. 2010 acclimatization countergradient variation hypoxia tolerance oxygen transport...

...: oxygen transport in mammals and birds . Physiol. Rev. 71 , 1135 - 1172 . Nikinmaa M. ( 2001 ). Haemoglobin function in vertebrates: evolutionary changes in cellular regulation in hypoxia . Respir. Physiol. 128 , 317 - 329 . Penny D. G. , Thomas M. ( 1975...

... of globin genes in daphnids. * Author for correspondence ( [email protected] ) 16 10 2009 © 2010. 2010 oxygen transport computer modelling simulation haemoglobin respiration circulation Daphnia Crustacea One of the challenges of organismic biology is to understand...

...E. M. Kolb; S. A. Kelly; K. M. Middleton; L. S. Sermsakdi; M. A. Chappell; T. Garland, Jr SUMMARY Voluntary activity is a complex trait, comprising both behavioral (motivation, reward) and anatomical/physiological (ability) elements. In the present study, oxygen transport was investigated...

... function is enhanced by GH transgenesis; (3) shows that a universal upregulation of post-smolt (adult) GH transgenic salmon cardiorespiratory physiology, as suggested by symmorphosis, does not occur; and (4) supports the idea that whereas differences in arterial oxygen transport (i.e. cardiac output...

... morpho-physiological parameters relevant in oxygen transport and regulation. Hypoxia acclimation induced adjustments at the haemoglobin (Hb) and metabolic level (within 3 days) but none at the systemic level. The convective performance and oxygen-sensitive control of the ventilatory and circulatory...

...R. Pirow; C. Bäumer; R. J. Paul SUMMARY Oxygen transport processes in millimetre-sized animals can be very complex,because oxygen molecules do not exclusively follow the pathway predetermined by the circulating fluid but may also simultaneously move from the respiratory surfaces to the tissues...

... hypoxia with a compensatory increase in ventilation. A conceptual and mathematical model was developed to analyse the efficiency of ventilatory and circulatory adjustments in improving oxygen transport to tissue. Model predictions showed that an increase in perfusion rate was most effective under both...

... for correspondence at address 1 (e-mail: [email protected] ) 10 10 2002 © The Company of Biologists Limited 2003 2003 myoglobin Antarctic fish heart muscle gene expression promoter regulation oxygen transport icefish Chaenocephalus aceratus Channichthyidae Antarctic icefish...

...Johannes Overgaard; Tobias Wang SUMMARY Many snakes exhibit large increases in metabolic rate during digestion that place extensive demands on efficient oxygen transport. In the present study,we describe blood oxygen affinity following three weeks of fasting and 48 h after feeding in the Burmese...

... the value of He reached a new steady state ( Fig. 1 ). exercise ventilation oxygen consumption oxygen transport blood gas breathing pattern reptile Varanus mertensi lung diffusion P 50 oxygen affinity © The Company of Biologists Limited 2002 2002 30 5 2002 * Author...

...., 1999b ) before it is pumped into the body to provide oxygen to the tissues. This makes the heart region a suitable location to estimate, for example, the total amount of oxygen transported into the body. The in vivo saturation curves of Hb-poor and Hb-rich animals showed that Hb remained almost...

... for cardiorespiratory evolutionary adaptation but not for intraspecific cardiorepiratory plasticity as revealed by high intensity exercise training. 14 5 2001 © The Company of Biologists Limited 2001 2001 salmon cardiac output heart rate oxygen consumption plasma osmolality oxygen transport...

...Heinz Decker; Nora Terwilliger ABSTRACT Two closely related copper proteins, phenoloxidase and haemocyanin, are known to be involved in different physiological functions such as the primary immune response and oxygen transport. Although the proteins differ structurally, they have the same active...