★ Composition of Blood and Blood Cells Quiz
Which blood cell contains hemoglobin?
A. Erythrocytes (RBC)
B. Leukocytes (WBC)
C. Thrombocytes (platelets)
Select your answer:
Topics:
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Histology HS › ViewThe hematopoietic organ whose lymphatic follicles contain a central artery is:
A. Thymus
B. Spleen
C. Tonsil
D. Lymph nodes
E. Appendix
First Aid › View
How long should you hold a burn under cold running water?
A. At least 2 minutes
B. At least 10 minutes
C. At least 5 minutes
D. It’s recommended to put a raw egg on a burn. Not cold running water.