A series of free Science Lessons for 7th Grade and 8th Grade, KS3 and Checkpoint Science in preparation for GCSE and IGCSE Science.
Blood
Blood has four main components:
- Plasma
- Fluid part of blood
- Carries carbon dioxide, hormones and waste
- Red blood cells
- Contain haemoglobin which carries oxygen
- Made in the bone marrow
- White blood cells
- produce antibodies and destroy harmful microorganisms
- Made in the bone marrow
- Platelets
Clump together to form clots
Protect the body by stopping bleeding
Blood under the Microscope
Red blood cells and white blood cells
Immune Cells Eating Bacteria (Phagocytosis)
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