07 Question 6
What affect does particle size have on permeability?
a. The smaller the particles the higher the permeability
b. no effect
X c. The larger the particles the higher the permeability
d. The larger the particles the lower the permeability
Question 7
what is the answer

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are