What type of circulatory system do animals that use lungs for breathing have?
A circulatory system that involves the lungs is referred to as a double circulatory system. This is opposed to a single loop circulation that fishes have.
In air breathing animals, the lings are the organ system that takes in air and extracts oxygen for distribution through the circulatory system. In water breathing animals, the gills perform this function. Those smaller animals that have neither lungs nor gills usually have a system for direct absorption of oxygen from the air, or water.
Respiratory technician school will go by much faster if you know information about the lungs and the diseases that can affect the lungs. You should learn as much as you can about breathing treatments and ailments with the circulatory system in order to succeed in the class. It is also a good idea to learn about the different anatomical parts of the circulatory and respiratory system.