Why do you think that blood moving from the heart to the lungs must be carried by an artery and not by a vein?

Why do your teeth turn green? Why do people sneeze with their eyes closed? Dontated blood is split into three components what are they? What would happen if you rubbed your eyes with dirty hands? Is there a holistic way to lower blood pressure? Is digestion a synthesis reaction? What is Bla for supplements for cancer? What is mental intellectual? What is the flat triangular bone located in the front of your knee joint? Which of the choices below does not involve tissue perfusion? What is a substantial separation of the placenta from the uterus with no visible sign of bleeding? Large intestine function? What age do your mammalians go away? A dactylion is the tip of what finger? What reserch is there for artificial lung transplant? What is an example of a nonspecific response to a pathogen? What happens if you eat fruit fly larvae? Swelling on left side middle back? Are narcissists conscious of their behaviours such as gaslighting or are they just acting out without being deeply conscious of what they are doing? What about alveoli?