circulatory system
Heart
The main organ of the blood transport system in a mammal is the heart.
circulatory system does.
Dogs have the same organ systems as humans.
Circulatory system
Mammals use lungs to collect oxygen from the air, fish use gills to collect oxygen from the water.
Yes, they do. They are mammals. They are a higher organism consisting of cells, tissue, organs, and organ systems.
digestive
pulmonary - lungs -- circulatory helps transport as well.
Veins belong to the circulatory system, because they transport blood there for they belong to the circulatory system.
They are mammals so have much the same physiology as any other mammal, at organ and system level. So the same!
Which organ system IN human is most directly involved in the transport of oxygen?(1)digestion (2)nervous(3)excretory(4)circulatory