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Blood Formation and Clotting › ViewWhat is the life span of a red blood cell?
A. 90-100 days
B. 2-3 years
C. 100-120 days
D. 4-6 months
Hele Skeletal System › View
What are the side effects of Osteogenesis Imperfecta?
A. Bones are strong and overgrow
B. Bones easily break and fracture
C. Lack of calcium