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Bone Marrow Histology › ViewHow are red blood cells removed from blood?
A. Turnover
B. Macrophages
C. Migration to the gut and respiratory tract
D. Have long lifespan so just move between tissue and blood
Biotechnology › View
What are drought-resistant crops?
A. Crops that are resistant to pests
B. Crops that are resistant to diseases
C. Crops that have been genetically engineered to tolerate drought conditions
D. Crops that are resistant to salt