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Dahasolnce [82]
4 years ago
13

When oxygen concentrations are low, hemoglobin releases oxygen to become carboxyhemoglobin. when oxygen concentrations are low,

hemoglobin releases oxygen to become carboxyhemoglobin.
a. True
b. False?
Biology
1 answer:
Andrew [12]4 years ago
5 0
True.oxygen very important matter hemoglobin
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Where in the body would you find low oxygen levels causing vasoconstriction and high levels causing vasodilation?
stealth61 [152]
The correct answer is the lungs. Usually, in the systemic organs such as the liver, kidneys, and the heart; hypoxia or low oxygen levels cause the blood vessels supplying them to vasodilate to increase flow of blood and prevent ischemia. Adequate oxygenation of systemic organs cause the blood supply to vasoconstrict to prevent pooling of oxygenated blood and shunt it to other organs that need the oxygen more.

However, in the lungs, the opposite is true because in the setting of hypoxia, the blood vessels of the lungs vasoconstrict as to shunt the blood to other parts of the lungs with adequate oxygenation for the blood to be adequately oxygenated. If there is adequate oxygen in the lungs, then blood vessels vasodilate to efficiently get the oxygen from the lungs. 
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3 years ago
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4 years ago
The tendency of water molecules to attract one another due to polarity is called
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How does the pancreas connect to the rest of the digestive system?
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Learn more about Earth's early atmosphere here: brainly.com/question/18289168

6 0
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