Bent Out of Shape

Read each statement about sickle cell disease. Click the word or phrase that is correct.

1. Sickle cell anemia is a disease of the _____ system.

2. Normal red blood cells are doughnut-shaped and ________.

3. Sickle cells are pointy and ________.

4. Sickle cells live ______ than regular cells.

5. Sickle cells have the shape they do because of a change in the ________.

6. Sickle cell disease is an ________ disease.