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ASVAB General Science
Life science — biology
3. Anatomy and physiology
3.3 System Disorders, Common health issues
System Disorders & Common Health Issues: Understanding Disease
Learners explore how diseases develop, spread, and affect the body's organ systems from autoimmune disorders and chronic conditions to infectious diseases and public health.
What You'll Learn
Diseases disrupt body systems and are classified as infectious or non-infectious.
The immune system uses white blood cells to destroy invading pathogens effectively.
Autoimmune disorders occur when the immune system attacks the body's own cells.
Lifestyle choices significantly influence chronic diseases like type two diabetes.
What You'll Practice
1
Students identify differences between infectious, autoimmune, and chronic diseases.
2
Learners analyse how pathogens spread and how vaccines build immune protection.
3
Practice questions test understanding of public health terms like epidemic and herd immunity.
Why This Matters
Understanding system disorders and common health issues equips students with the biological knowledge to make informed health decisions and understand the science behind global public health challenges.
This Unit Includes
Practice exercises
Learning resources
Skills
Infectious Disease
Immune System
Autoimmune Disorders
Chronic Disease
Public Health
TEST-PREP Curriculum Aligned