Rearrange the parts of the sentence in correct order. Birds’ heart, lungs and P. uptake and intensive exertion compared Q. to humans, which enables them to function R. efficiently at these very high altitudes S. muscles are more efficient for oxygen
Rearrange the parts of the sentence in correct order. Birds’ heart, lungs and P. uptake and intensive exertion compared Q. to humans, which enables them to function R. efficiently at these very high altitudes S. muscles are more efficient for oxygen
