Which of the following are functions of the upper respiratory system?
O moving air down to the larynx
O removing impurities from the air in the airway
O producing carbon dioxide
O diffusing oxygen from the air

d, i believe because of it's activity level

answer; (c); to assure that workers have the right to a safe workplace and that it is the employer's responsibility to provide safe and healthy workplace;

answer188 to 210 calories;