The buffers present in blood resist small changes in pH. The most prominent are phosphate and carbonate buffers in blood.
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Blood is not acidic; it is slightly alkaline with a pH around 7.4. Milk, saliva, and soft drinks can all be acidic depending on their composition and pH levels.
A red blood cell is a type of cell without a nucleus. This allows more space for hemoglobin, a protein that helps carry oxygen in the blood.
Blood acidosis refers to a condition where the blood pH is lower than the normal range (7.35-7.45), making it more acidic. However, the term "acidosis" doesn't necessarily imply that blood is extremely acidic; rather, it signifies a relative increase in acidity compared to normal levels. Consequently, while blood acidosis is considered acidic within the context of the body's pH balance, it may not be as acidic as other substances with much lower pH values.
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The H in the blood sample refers to the concentration of hydrogen ions, which determines the pH value. A pH of 7.30 indicates that the blood sample is slightly acidic, as pH values below 7 are considered acidic.