Match the painkiller type with its mechanism of action:
2️⃣ Inhibits prostaglandin synthesis in the brain
3️⃣ NSAIDs (e.g., Ibuprofen)
4️⃣ Inhibits cyclooxygenase (COX) enzymes
5️⃣ Opioids (e.g., Morphine)
6️⃣ Binds to opioid receptors in the brain and spinal cord