Mathematics and Society - OS X Lion Server

1. Your body contains 206 bones.1About 7 of these bones are inyour head.2. Muscles make up about .4 of aman's body weight.absorbed into the blood stream.3How many m of oxygen is this?4. An eye blinksabout 25 timeseach minute.About how many times does itblink in a day (24 hours)?5. Your intestines (large andsmall) are about 7.5 metreslong..8 of thislength.Yoursmall intestineis aboutHowlong is yoursmall intestine?What dothe muscles of a 82 kilogramman weigh?About how manybones are there in your head?3. In one day, a man breathes in3about 12 m of air. About.05 of this is oxygen that isSOURCE:6. A man's brain is between .027.and .03 of his body weight.Between whattwo numbersis the brainweight of a68 kilogram1The brain of a baby is about 10its body weight.About howmany grams does the brain of a4 kilogram baby weigh?8. Your heart beatsabout 80 times aminute.notation.About howmany times does itbeat in a day?9. The body of an adult containsabout 5 litres of blood.A blooddonor usually gives t litre ofblood.What fraction of hisblood does the donor give?10. Your body contains about 165,000kilometres of blood vessels.Write this number in scientificInvestigating School Mathematics, Second Edition, by Robert E. Eicholz, Phares G. D'Daffer,Charles R. Fleenor, Copyright © 1976 by Addison-Wesley Publishing Company, Inc.School Mathematics I, by Robert E. Eicholz, Phares G. D'Daffer, Charles R. Fleenor,132 Copyright © 1976 by Addison-Wesley Publishing Company, Inc.All rights reserved. Reprinted by permission.((