Organisation: The Cardiovascular & Respiratory System (AQA GCSE Biology Combined Science): Flashcards
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4 components of blood
4 components of blood
Plasma, red blood cells, white blood cells, platelets
Components carried by plasma
Components carried by plasma
RBCs, WBCs, platelets, glucose, amino acids, CO2, urea, hormones, proteins, antibodies, antitoxins
Function of red blood cells
Function of red blood cells
Carry oxygen from lungs to all cells in body
Benefit of biconcave disc shape in red blood cells
Benefit of biconcave disc shape in red blood cells
Provides large surface area
Reason red blood cells have no nucleus
Reason red blood cells have no nucleus
Allows more room to carry oxygen
Function of haemoglobin
Function of haemoglobin
Binds to oxygen to form oxyhaemoglobin
Function of white blood cells
Function of white blood cells
Part of immune system, defend against pathogens
Function of antibodies
Function of antibodies
Small proteins that clump pathogens together
How some white blood cells destroy pathogens
How some white blood cells destroy pathogens
Engulf and digest them
Function of platelets
Function of platelets
Help blood clot at wound site