In an animal species known for endurance running rather than fast sprinting, which

of the following would? you expect?

a) a relatively slow heart rate in order to lower oxygen consumption
b) a lower pressure of oxygen in the alveoli
c) an increase of storage of oxygen in myoglobin of its muscles
d) a slower rate of oxygen consumption so that its breathing will not have to be accelerated
e) a much higher rate of oxygen consumption for its size