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- Description:Diagnosis of white blood cell counts
- Cat. no.:470336-168
- No. of Uses:15
Learn about white blood cells, a critical part of the immune system, protecting the body from foreign invaders such as bacteria and viruses.
- Students will perform white blood cell counts on 5 different patient sdamples and suggest possible diagnoses based on the white blood cell levels.
- Aligned to NGSS Practices
- Performance expectations: MS-LS1-1, MS-LS1-3, HS-LS1-2, HS-LS1-3
- Disciplinary core ideas: LS1.A
- Cross cutting concepts include scale proportion and quantity, systems and system models, stability and change
- Engineering practices include planning and carrying out investigations, engaging in argument from evidence, developing and using models
While white blood cells, or leukocytes, only account for approximately 1% of the total number of cells found in blood, they are a critical part of the immune system, protecting the body from foreign invaders such as bacteria and viruses. White blood cell counts are often performed as part of a medical diagnosis to determine if the level of white blood cells in a patient's blood is within or outside the normal range. In this activity ,students will perform white blood cell counts on five different patient samples and suggest possible diagnoses based on the white blood cell levels. The samples contain safe, non-biological simulated cells that do not require staining. Requires microscopes and hemocytometers (not included). Contains enough material for 15 groups and includes Teacher's Guide and Student Study copymasters.