Student Work Sheet

How do white blood cells fight foreign organisms that invade our body?

Name:____________________________ Date:_____________________

Instructions: ®Please work in pairs. However, each student must complete his/her own worksheet. One computer per pair.

®Go to the website below:

®Study the information on the web page, and then answer the following questions.

1. What is another name for white blood cells?

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2. What is the function of white blood cells?

3. Where are white blood cells made?

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4. Describe the structure of a white blood cell.

5. Draw a white blood cell in the space below. Label the nucleus, cytoplasm and the cell membrane.

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6. Name the five different types of white blood cells. Write the names on the lines above the boxes below.

For each type of white blood cells, do the following:

a) Draw its structure in the box.

b) Describe its role in defending the body against pathogens.

I. Name:_______________________

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II. Name:_______________________

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III. Name:_______________________

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IV. Name:_______________________

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V. Name:_______________________

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