The questions in this quiz are suitable for GCSE biology students studying levels of organisation, the need for exchange surfaces, adaptations of effective exchange surfaces in all organisms, the ...

The performance of the cardiorespiratory gas exchange system of the turtle, Pseudemys scripta, at rest and at three body temperatures (15, 25, 35°C), was assessed in reference to theory and ...

This paper seeks to identify the factors which have the greatest effect on gas diffusion rates into animal burrows, and in turn on the maximum size of burrowing animals which may rely on simple burrow ...

Journal of Experimental Botany, Vol. 34, No. 146 (September 1983), pp. 1108-1116 (9 pages) Experiments were conducted in a gas exchange system to examine the effect of a water stress, induced by —200 ...

Whether it is nitrogen for cleaning weapons and night vision devices, oxygen and acetylene for welding and torch operations, or tetrafluoroethane to keep air conditioning systems blowing cold, ...