Explain the causes and symptoms of sickle cell anemia.

Without enough red blood cells, your body can't get enough oxygen, causing fatigue. Episodes of pain. Periodic episodes of pain, called pain crises, are a major symptom of sickle cell anemia. Pain develops when sickle-shaped red blood cells block blood flow through tiny blood vessels to your chest, abdomen and joint.

Explanation:

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without enough red blood cells, your body can't get enough oxygen, causing fatigue, episodes of pain. Periodic episodes of pain, called pain crises, are a major symptom of sickle cell anemia. Pain develops when sickle-shaped red blood cells block blood flow through tiny blood vessels to your chest, abdomen and joint.

Explanation:

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