Take a deep breath and then let it out. Did you feel your chest rise and fall? That is actually your lungs filling with oxygen and then pushing carbon dioxide back out when you exhale. Without your lungs and your entire respiratory system, the rest of your body wouldn't receive the oxygen you need to survive. To give your body the oxygen it needs, you breathe twenty times every minute. You breathe more than twenty thousand times each and every day. Acclaimed science writer Seymour Simon explores the important journey that ...
Read More
Take a deep breath and then let it out. Did you feel your chest rise and fall? That is actually your lungs filling with oxygen and then pushing carbon dioxide back out when you exhale. Without your lungs and your entire respiratory system, the rest of your body wouldn't receive the oxygen you need to survive. To give your body the oxygen it needs, you breathe twenty times every minute. You breathe more than twenty thousand times each and every day. Acclaimed science writer Seymour Simon explores the important journey that air takes in and out of your lungs.
Read Less
Choose your shipping method in Checkout. Costs may vary based on destination.
Seller's Description:
Good. WE HAVE NUMEROUS COPIES. HARDCOVER. PLEASE NOTE THAT CD-ROM components, access cards/codes, digital license, and other supplemental materials are NOT guaranteed to be included for used items. If their inclusion is essential, please inquire before purchasing to determine whether they are included. Light to moderate wear to cover/edges/corners. School markings and writing on/inside covers. Minimal markings/highlighting on/inside book, none of which detracts from content. Binding and cover solidly connected.
