15. How is the color of blood determined?

Biology

2 answers:

Feliz [49]2 years ago

8 0

Answer:

all blood is blue

Explanation:

Tamiku [17]2 years ago

8 0

Answer:

It is a common myth that veins are blue because they carry deoxygenated blood. Blood in the human body is red regardless of how oxygen-rich it is, but the shade of red may vary. The level or amount of oxygen in the blood determines the hue of red. As blood leaves the heart and is oxygen-rich, it is bright red.

Explanation:

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