Before blood returns to the left atrium, it is collecting oxygen from the lungs. While in the lungs it is releasing carbon dioxide to be exhaled.
Blood becomes oxygenated in the lungs, then the oxygenated blood goes to the heart via the pulmonary veins and enters the left atrium
It returns to the circulatory system
Before it goes back to your heart is gives oxygen to your skin and organs to keep them running. If they don't get oxygen they can stop working.
it carrys on the same cycle over and over again hope dis helps
It returns the fluid to the blood stream. It's a cycle.
No. Blood from the head returns to the right side of the heart and is then pumped ino the lungs. The blood from the head returns to the heart and is then sent to the lungs. If it went to the lungs before returning to the heart, that would be wasteful becase then it would have gone through the lungs twice before going to where it was needed.
The aortaDuring pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? A.It flows into the inferior vena cava.
it goes to the lungs and get oxygenated then returns to the heart to be pumped to the body
After exercise, blood pressure returns to your normal resting rate after 10 minutes or more. A significant drop in blood pressure after stopping exercising may indicate that you have an underlying heart condition.
Veins are the type of blood vessel that drains blood from tissues and returns it to the heart.
its weird but its blood i don't know how but it is
Blood is bright red when it returns to the heart from the lungs. It is darker red when it returns to the right atrium from the systemic circulation.