Select your answer:
Topics:
The Human Eye Vital Signs Epidemiology Inflammation and Tissue Repair First Aid Bleeding Soldiers of Defense Injuries in Archery The Brain Our Control Center Bone Marrow Histology The Ear Endocrine System Genes, Chromosomes and Genome Trauma HNBS Intern Viruses and PrionsOther quiz:
Pollution › ViewWhich of the following best describes what these machines are doing?
A. Converting wind into energy
B. Converting wind to drill oil
C. Converting pollution in the air to clean air
Human Body › View
A person of blood group O wants to donate his blood. He can donate his blood to whom??
A. B
B. A
C. A and AB
D. All
E. No blood groups