direction:choose in the upper that answer of the question
_____1.it acts as a passageway of both the air and food _____2.they perform the actual transfer of oxygen into the bloodsteam _____3.it is for voice production _____4.it is where the exchangr of gases takes place _____5.its main function is to inhale oxygen and exhale carbon dioxide _____6.it is called as a pumping station of the body _____7.it carries digested food and oxygen to the different body cells and collects wastes from the body cells _____8.they carry blood away from the heart _____9.they setve as a passageway of the blood _____10.they recieve the blood into the heart
