A. Heart C. Plasma D. Blood Circulatory system B. Aorta E. circulatory system F. pharynx G. lungs h. larynx I. trachea j. bronchioles and alveoli
. 1. largest artery 2 also known as the red river of life 3. composed of three major organs £ 4. elastic and have thinned wall and bigger in diameter 5. contains iron and proteins in the blood 6. also known as throat is the passageway of food, water, and air 7. Also known as windpipe it filters the air we inhaled 8. increase the surface of the lungs for a great exchange of gases to gain more oxygen C 9. where the exchange of gases occurs, the inhaling and exhaling. 10. makes vocal sounds and blocked the path of food and other unwanted materials