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 may be divided into B cells and T cells. B cells produce antibodies. 1. What is the role of antibodies in the body? 2. Name any three types of T cell. 3. State a role of each of the T cell types that you named in part 2.

Leaving Cert Biology Blood & Circulatory System: State two ways, other than colou

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 compared to white blood cells.
Red blood cells have a biconcave disc shape, whereas white blood cells vary in shape.

Step 2

Name a group of white blood cells, other than lymphocytes.

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Answer

Phagocytic white blood cells or monocytes.

Step 3

What is the role of antibodies in the body?

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Answer

Antibodies function to inactivate antigens, which are harmful substances that enter the body.

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 and stimulate B cells to produce antibodies.
Killer T cells attack infected cells or secrete perforin to destroy them.
Suppressor T cells help to stop and regulate immune responses.

State two ways, other than colour, in which red blood cells differ from white blood cells - Leaving Cert Biology - Question 15(b) - 2012

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

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.

What is the role of antibodies in the body?

Name any three types of T cell.

State a role of each of the T cell types that you named in part 2.

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