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Q. |
The pH of human blood is between – |
A. | 6.5-7 |
B. | 7.5-8 |
C. | 8-9 |
D. | 4.5-5 |
Answer» B. 7.5-8 | |
Explanation: Blood is a specialized bodily fluid in animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells. Blood pH is regulated to stay within the narrow range of 7.5 to 8. Blood that has a pH below 7.5 is too acidic, whereas blood pH above 7.5 is too alkaline. |
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