Which cells form blood platelets in the body?

Explanation

### Step-by-Step Solution:

1. **Understanding Blood Platelets**: Blood platelets, also known as thrombocytes, are small cell fragments that play a crucial role in blood clotting and wound healing.

2. **Identifying the Source of Platelets**: The cells responsible for the formation of blood platelets are called megakaryocytes.

3. **Location of Megakaryocytes**: Megakaryocytes are primarily found in the red bone marrow, which is the tissue responsible for producing blood cells.

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