The blood in the human body turns from venous to arterial after being released.

Blood passes from venous to arterial in the pulmonary circulation, namely in the arterioles of the lungs, gas exchange takes place, the blood is saturated with oxygen, turns into venous.
Answer: After exiting the lungs.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.