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WorksheetsMajor Components of Blood
Total questions: 20
Worksheet time: 12mins
What component of the blood is A, B, C and D
Red Blood Cells
White Blood Cells
Platelets
Plasma
What are the arrows pointing at?
Red Blood Cells
White Blood Cells
Platelets
Plasma
Tick the substances that the blood plasma carries
Oxygen
Carbon dioxide
Urea
Soluble digested products
Why do white blood cells need lots of ribosomes?
To make protein antibodies
To make oxygen
To make haemoglobin
To make sugar
Why do red blood cells have a biconcave shape?
To decrease surface area for diffusion
To increase surface area for diffusion
To decrease surface area for osmosis
To decrease surface area for osmosis
What is the straw yellow coloured liquid component of the blood, that carries carbon dioxide, urea and other soluble products?
(a)
What is the biconcave cell that doesn't have a nucleus and contains haemoglobin to carry oxygen?
(a)
What is the fragment of a cell that helps with blood clotting?
(a)
What **two** tests are done on blood donations for safety of the recipient?
Blood Type
Number of cells
Whether it contains any viruses
Blood flow rate
What is the largest cell in the blood that defends the body against harmful microorganisms?
(a)
Tick the three functions of the blood
Carry electrical impulses
Defence against disease
Regulate body temperature
To transport oxygen and nutrients to cells, and carry waste products away for excretion
How are platelets adapted to stop blood clotting?
Produce plasma
Produce haemoglobin
Produce antibodies
Produce protein fibrin
