Blood Components and Vessels
Blood composition, red and white blood cells, platelets, plasma, blood vessel structure and function, adaptations for transport
What you'll cover
- Blood composition: 55% plasma, 45% cells
- Red blood cells: biconcave shape, no nucleus, hemoglobin
- White blood cells: phagocytes and lymphocytes
- Platelets and blood clotting cascade
- Plasma transporting dissolved substances
- Arteries: thick walls, elastic fibers, high pressure
- Veins: thin walls, valves, low pressure
- Capillaries: one cell thick for exchange
- Blood vessel adaptations for function
- Blood disorders: anemia, leukemia, hemophilia
Study this topic
The River of Life
Key Facts About Blood
Blood Composition and Components
Blood Clotting Process
Blood Vessels: Structure and Function
Blood Vessel Adaptations Summary
Blood Disorders and Health
How It Works: Why Red Blood Cells Are Shaped That Way
Key Definitions
Common Misconceptions
Memory Aids
Higher Blood Types and Transfusions
Exam Focus
Knowledge Organiser
Exam Success Tips
Links to Other Topics
Sample Flashcards
Sample Questions
What is the main function of red blood cells?
Explain how red blood cells are adapted for their function of transporting oxygen.
18
exam-style questions
24
revision flashcards
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