Find out the correct match about blood :

Options

A. Formed elements : about 55% of the blood
B. Plasma : about 45% of the blood
C. Haemoglobin : about 12-16 gm per 100 ml of blood
D. All of the above are correct match

Answer

To solve the question "Find out the correct match about blood," we will evaluate each option provided in the question step by step.

### Step 1: Evaluate the First Option
- **First Option**: Formed elements matched with 55% of blood.
- **Analysis**: The formed elements of blood include red blood cells, white blood cells, and platelets. They actually make up about 45% of blood volume, not 55%.
- **Conclusion**: This option is incorrect.

### Step 2: Evaluate the Second Option
- **Second Option**: Plasma matched with 45% of blood.
- **Analysis**: Plasma is the liquid component of blood and constitutes about 55% of the total blood volume, not 45%.
- **Conclusion**: This option is also incorrect.

### Step 3: Evaluate the Third Option
- **Third Option**: Hemoglobin matched with 12-16 gm per 100 mL of blood.
- **Analysis**: Hemoglobin is indeed a protein found in red blood cells, and its normal concentration ranges from approximately 12 to 16 grams per 100 mL of blood, depending on various factors such as age and sex.
- **Conclusion**: This option is correct.

### Step 4: Evaluate the Fourth Option
- **Fourth Option**: All of the above are correct matches.
- **Analysis**: Since the first two options are incorrect, this statement cannot be true.
- **Conclusion**: This option is incorrect.

### Final Answer
The correct match about blood is the third option: Hemoglobin is matched with 12-16 gm per 100 mL of blood.

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