How does circulatory system and respiratory systems work together?
A. The circulatory and respiratory systems works together through absorbing oxygen from the air and transfer it to all parts of the body while absorbing carbon dioxide from the body and releasing it into the air.
B. Air moves in and out of the lungs through the trachea , bronchi, and bronchioles.
C. Blood moves in and out of the lungs through the pulmonary arteries and veins
