What is the major function of the respiratory system ?

The human respiratory system is a series of organs that are responsible for breathing (taking in oxygen and expelling carbon dioxide)

answer; /// i believe the correct answer is (reactants);

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.