Leukemia is the cancerous state of

Options

A. Lung
B. Blood
C. Skin
D. Bone

Explanation

**Step-by-Step Solution:**

1. **Understanding Leukemia**: Begin by recognizing that leukemia is a type of cancer. It is important to know that cancers can affect various parts of the body, including blood, lungs, skin, and bones.

2. **Identifying the Affected Tissue**: Specifically, leukemia is characterized by the overproduction of white blood cells (WBCs) in the body. This overproduction occurs in the bone marrow, which is where blood cells are produced.

3. **Role of Bone Marrow**: The bone marrow is crucial for the formation of red blood cells (RBCs) and white blood cells (WBCs). In leukemia, the bone marrow produces an excessive number of WBCs, which can interfere with the normal function of blood cells.

4. **Consequences of Leukemia**: The abnormal white blood cells produced in leukemia do not function properly. They fail to fight infections effectively, leading to a compromised immune system. This is a significant aspect of the disease.

5. **Conclusion**: Based on the information gathered, leukemia is specifically a cancerous condition of the blood. Therefore, the correct answer to the question "Leukemia is the cancerous state of" is blood.

**Final Answer**: Leukemia is the cancerous state of blood.

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