My wife was grading a science test at home that she had given to her elementary-school class and was reading some of the results to me. The subject was “The Human Body,” and the first question was: “N...
If you are an adult of average weight, here is what you accomplish in 24 hours: your heart beats 103689 timesyour blood travels 168,000,000 milesyou breathe 23040 timesyou inhale 438 cubic feet of ai...