| Grant number: | 12/18652-1 |
| Support Opportunities: | Regular Research Grants |
| Start date: | March 01, 2013 |
| End date: | October 31, 2015 |
| Field of knowledge: | Biological Sciences - Physiology - Compared Physiology |
| Principal Investigator: | Wilfried Klein |
| Grantee: | Wilfried Klein |
| Host Institution: | Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (FFCLRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil |
Abstract
The vertebrate respiratory system not only consists of a gas exchanger but also of anatomical mechanisms to ventilate and perfuse the gas exchange organ. To understand the structure, function and evolution of respiratory systems it is necessary to comprehend the nature of interaction between its components by studying the morphology of a respiratory system, its ventilatory mechanisms, its breathing mechanics, as well as the efficiency of gas exchange and the associated metabolic costs. All of these data together have been investigated in detail in only a few species, existing few data on the reptilian respiratory system. This project intends to study the following aspects of the respiratory system in species from different turtle families: ventilatory pattern; breathing mechanics, by determining static and dynamic compliance; metabolic cost of ventilation; morphological data describing the respiratory system and associated structures. The integration of morphological data with breathing mechanics, metabolic cost of ventilation, oxygen consumption and carbon dioxide production could elucidate the functioning and importance of the respiratory system of turtles. (AU)
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