Organisation: The Cardiovascular & Respiratory System (AQA GCSE Biology Combined Science): Quizzes
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Practise the questions
10 questions from this quiz
What are the four main components of blood?
What are the four main components of blood?
Plasma, RBCs, WBCs, platelets
Which substance does plasma transport in the blood?
Which substance does plasma transport in the blood?
Glucose
Where do red blood cells carry oxygen from?
Where do red blood cells carry oxygen from?
The lungs
What is the advantage of a red blood cell's biconcave disc shape?
What is the advantage of a red blood cell's biconcave disc shape?
Provides a large surface area
Why do red blood cells have no nucleus?
Why do red blood cells have no nucleus?
To allow more room to carry oxygen
What is formed when haemoglobin binds to oxygen?
What is formed when haemoglobin binds to oxygen?
Oxyhaemoglobin
What is the main role of white blood cells?
What is the main role of white blood cells?
Defence against pathogens
What do some white blood cells produce to clump pathogens together?
What do some white blood cells produce to clump pathogens together?
Antibodies
What structure forms when a blood clot dries and hardens at a wound?
What structure forms when a blood clot dries and hardens at a wound?
A scab
What would happen without platelets?
What would happen without platelets?
Excessive bleeding and bruising