State two ways, other than colour, in which red blood cells differ from white blood cells - Leaving Cert Biology - Question 15(b) - 2012
Question 15(b)
State two ways, other than colour, in which red blood cells differ from white blood cells.
Name a group of white blood cells, other than lymphocytes.
Lymphocytes m... show full transcript
Worked Solution & Example Answer:State two ways, other than colour, in which red blood cells differ from white blood cells - Leaving Cert Biology - Question 15(b) - 2012
Step 1
State two ways, other than colour, in which red blood cells differ from white blood cells.
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Answer
Red blood cells are smaller in size than white blood cells.
Red blood cells have a biconcave disc shape, while white blood cells have varying shapes.
Step 2
Name a group of white blood cells, other than lymphocytes.
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Answer
Monocytes or phagocytic white blood cells.
Step 3
What is the role of antibodies in the body?
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Answer
Antibodies play a crucial role in immunity by inactivating antigens, which are foreign molecules, and neutralizing pathogens.
Step 4
Name any three types of T cell.
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Answer
Helper T cells
Killer T cells
Suppressor T cells
Step 5
State a role of each of the T cell types that you named in part 2.
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Answer
Helper T cells recognize antigens or secrete interferon to stimulate B-cell production.
Killer T cells attack infected cells or secrete perforin to destroy them.
Suppressor T cells help to regulate the immune response, preventing overactivity.
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