_______ Granulocytes : : Blood : ________

Explanation

To solve the analogy question: "_______ Granulocytes : : Blood : ________", we need to identify the relationships between the terms.

1. **Understanding Granulocytes**: Granulocytes are a type of white blood cell. They are characterized by the presence of granules in their cytoplasm. Granulocytes play a crucial role in the immune response.

2. **Identifying the First Blank**: Since granulocytes are a type of white blood cell, we can fill in the first blank with "White Blood Cells". This establishes the relationship that granulocytes are a subset of white blood cells.

3. **Understanding Blood**: Blood is composed of several components, including red blood cells, white blood cells, and plasma. Plasma is the liquid component of blood that carries cells, nutrients, hormones, and waste products.

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