Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

[EX Q]: Cytochrome oxidase consists of two cytochromes and ____ copper atoms.
[EX A]: two

[EX Q]: Women are ____ times more likely to experience carpal tunnel syndrome than men.
[EX A]: five

[EX Q]: Sea cucumbers can live up to ____ years.
[EX A]:
eight