Answer:
The order of blood vessel types as red blood cells leave the heart is via the pulmonary artery then it flows to the lungs( a tissue) there it reacts with oxygen molecules which converts it to oxygenated blood that is transported to the heart via the pulmonary vein. Therefore the order is:
Heart - to- Pulmonary artery- to- Lungs (Tissue)- to- Pulmonary vein -to- Heart
Explanation:
The order of blood vessel types as red blood cells leave the heart is via the pulmonary artery then it flows to the lungs( a tissue) there it reacts with oxygen molecules which converts it to oxygenated blood that is transported to the heart via the pulmonary vein. Therefore the order is:
Heart - to- Pulmonary artery- to- Lungs (Tissue)- to- Pulmonary vein -to- Heart