When an aquatic mammal begins to dive, it actually exhales and pushes oxygen out of its lungs. This decreases its buoyancy so it doesn't have to use as much energy to fight the tendency to rise to the surface. So, how can these animals stay under for so long if they aren't "holding their breath?" Observe the following graphs. Compare where the 3 animals (2 mammals and 1 bird) store their oxygen.

Astudent visits the beach during a very hot day she steps on the santa and jumps because it is so hot what type of heat transfer is demonstrated by the sand in this example

In what way are cities microclimates?

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.