It will be all of the above
A good rule of thumb to remember is that arteries always take oxygen rich blood away from the heart to the rest of the body and veins carry oxygen poor blood back to the heart. The only two circumstances this is not the case is the Umbilical and pulmonary vasculature. Pulmonary Arteries take oxygen poor blood away from the heart to the lungs to be oxygenated and this oxygenated blood returns to the heart via pulmonary veins.
Its emits a burning smell and color and as the pther person say its leting out carbin air making it spread into other places such as an ocean or plant
Answer: It enters the right atrium through the right ventricle.
Explanation: . The right ventricle pumps the blood to the lungs where it becomes oxygenated. The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium.
I'm not a doctor, but stabbing pain in the back is pretty serious and she should go to the doctor asap
