1. I warm and clean the air you breathe nsoe 2.there are 300 millions of me in your lungs rai cas3. I leave your body when you breathe out craobin doidixe 4. Iam a long tube connecting tour mouth to your lungs tarehca 5. I go through the air sacs and into the blood oyxegn

True or false when a male or female are sterile they cannot reproduce

Why is it often difficult to get funding for local parks? a. state governments do not like to grant permits for local parks. b. federal regulations prohibit most fund raising. c. there is often a small tax base. d. federal funding cuts have all but stopped local construction of parks.

The real advantage to hydrostatic weighing is that it a. can be done anywhere with no equipment b. gives one of the most accurate measurements of body fat c. uses calipers to measure body fat select the best answer from the choices provided.