Match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.

1. t cell : absence results in no immune response

2. cytotoxic t cell : kills cancer cells and virus infected body cells

3. regulatory t cell : slows or stops the immune response

4. memory cell : enables quick and efficient response to secondary exposure to antigen

5. b cell : forms antibody producing cells

1. Helper T cell is one of the T cells that absence results in no immune response.

2. Cytotoxic T cell is also a type of white blood cell that Kills cancer cells and virus infected body cells.

3. Regulatory T cell is a suppressor T cells that slows or stops the immune response.

4. Memory cell is a type of B cell that enables quick and efficient response to secondary exposure to antigen

5. B cell is a cell that forms antibody producing cells

that tool would be a compass

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.