In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

Q: Figure skating is like flying, but it's also like climbing hundreds of stairs in _ minutes.

A: four
****
Q: Death usually occurs by five to _ years of life due to pneumonia or other infections.

A: eight
****
Q: Camels have _ eyelids to protect themselves from blowing sand.

A:
three
****