Mammals perform the "tidal" variety of this action, which is less efficient than an unidercentional approach. In insects, holes called spiracles open up into a system of chitin tubes where this process takes place, and birds use a series of sacs to make this process highly efficient. Rows of(*) lame
Mammals perform the "tidal" variety of this action, which is less efficient than an unidercentional approach. In insects, holes called spiracles open up into a system of chitin tubes where this process takes place, and birds use a series of sacs to make this process highly efficient. Rows of(*) lamellae form the filaments of the organs fish use for this process by running a concurrent exchange of molecules, the gills. For 10 points, the alveoli are the site of this process in humans, in which waste gases are exchanged for oxygen, that takes place in the lungs.
Mammals perform the "tidal" variety of this action, which is less efficient than an unidercentional approach.