The lymph collected from the body finally e enters

Options

A. sub-clavian artery which is situated just below the heart
B. sub-clavian artery which is situated above the heat
C. sub-clavian vein which is situated just below the heart
D. sub-clavian vein which is situated just above the heart

Answer

To solve the question regarding where the lymph collected from the body finally re-enters, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Lymphatic System**: The lymphatic system is a network of vessels that collect and transport lymph, a fluid that contains white blood cells and other substances, from the tissues back to the bloodstream.

2. **Path of Lymph**: The lymph collected from various parts of the body enters the lymphatic vessels. These vessels are responsible for transporting lymph fluid.

3. **Lymphatic Ducts**: The lymphatic vessels converge into larger ducts. There are two main ducts: the right lymphatic duct and the thoracic duct (which is often referred to as the left lymphatic duct).

4. **Entering the Circulatory System**: The right lymphatic duct drains lymph from the right upper quadrant of the body, while the thoracic duct drains lymph from the rest of the body. Both ducts ultimately lead to the subclavian veins.

5. **Final Destination**: The lymph re-enters the bloodstream through the subclavian veins. This is where the lymph mixes with the blood, allowing for the immune cells and other components to circulate throughout the body.

6. **Identifying the Correct Option**: In the context of the question, the correct answer is the subclavian vein, as it is the vessel through which lymph re-enters the circulatory system.

### Conclusion:
The lymph collected from the body finally re-enters through the **subclavian vein**.

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