The North American Pronghorn Antelope Can Run Almost as Fast

Multiple Choice

The North American pronghorn antelope can run almost as fast as a cheetah,but unlike the cheetah,can also sustain speeds of 30-40 mph for miles.The pronghorn is about the size of a large,domestic goat.You would predict the antelope to have a ________ than the goat.

A) smaller trachea
B) higher concentration of hemoglobin
C) smaller lung volume
D) lower concentration of myoglobin
E) lower concentration of bicarbonate