Blood has a pH of

Options

A. 7.4
B. 7.8
C. 6.9
D. 6.3

Answer

To determine the pH of blood, follow these steps:

1. **Understand the pH Scale**: The pH scale ranges from 0 to 14. Values below 7 are considered acidic, values above 7 are basic (or alkaline), and a pH of 7 is neutral.

2. **Identify the Normal pH Range for Blood**: Blood is a special type of connective tissue that has a slightly basic pH. The normal pH range for blood is typically around 7.3 to 7.4.

3. **Evaluate the Given Options**: The options provided are 7.4, 7.8, 6.9, and 6.3. Since we know that the normal pH of blood is around 7.4, we can eliminate the acidic values (6.9 and 6.3) and the higher basic value (7.8).

4. **Select the Correct Answer**: Based on the normal pH range of blood, the correct answer is 7.4.

Thus, the pH of blood is **7.4**.