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oxygen makes it red
I would think it has to do with the amount of oxygen in the blood stream.

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9y ago
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10y ago

from the lungs

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Q: When is blood bright red coming from the lungs or going back to the lungs?
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Related questions

What is the color of the blood coming from the lungs?

It is bright red.


What color is blood outside your body?

Fresh blood is brilliant red, but as it clots it will turn brown.


What is the difference of the blood coming from the heart and blood coming from the lungs?

Blood coming from the lungs has lower pressure while that from the heart has higher pressure. Blood coming from the lungs also has higher oxygen content and lower carbon dioxide content compared to that coming from the heart.


How does blood leaving the lungs differ from the blood entering the lungs?

Blood coming from the lungs has lower pressure while that from the heart has higher pressure. Blood coming from the lungs also has higher oxygen content and lower carbon dioxide content compared to that coming from the heart.


Which blood contains more oxygen?

The blood coming from the lungs


How does blood flow through the lungs throughout the body?

Blood is pumped by the heart. Blood leaves the heart via the arteries and returns to the heart via the veins. Blood returning to the heart goes to the lungs where it is oxygenated then pumped around the arteries


How many openings are in the heart when removed?

In humans, the heart has four openings (or chambers). There is an opening for the oxygen-poor blood going in, one for the oxygen-poor blood going to the lungs, an opening for the oxygen-rich blood coming back from the lungs, and one for the oxygen-rich blood circulating through the rest of the body.


What kind of blood going back to the lungs?

deoxygenated blood


When blood moves from the lungs to the heart it is now?

Blood is de-oxygenated when it it pumped into the lungs, and after going through the lungs, is now oxygenated.


What is the color intensity of blood that flows from the lungs to the heart?

Blood that flows from the lungs to the heart is oxygenated, so it's bright red. In contrast, blood that flows from the heart to the lungs is deoxygenated, and so is dark red.


What is color is the blood in artery?

its bright red because it passes by the lungs wich oxygenates it


Why is blood that flows from the lungs to the heart bright red rather?

Different amounts of oxygen alter its color due to the high levels of iron in the hemoglobin. Coming from the lung region, blood is extremely oxygen-rich, making it a brighter red. When the oxygen is stripped away the blood turns blue.