阿摩線上測驗
9. The circulatory system is composed of the systemic circuit and the pulmonary circuit, which are essential for our survival. Which of the following tubes holds the highest oxygen levels?
(A) pulmonary artery
(B) pulmonary vein
(C) capillary
(D) superior vena cava
(E) aorta
答案：登入後查看
統計： A(0), B(1), C(0), D(0), E(0) #3506979
統計： A(0), B(1), C(0), D(0), E(0) #3506979
