The table below shows the number of times four students run during the week versus how long it takes, in minutes, for each student to run a mile

Ppfwp42fprp 22.2 Identify the cells that are involved in the nonspecific and specific immune responses.

2. Describe the steps involved in activating an antibody response to an antigen.antibodies is secreted by plasma cells derived B lymphocytes(also known as B cells).
two types of response1- cell mediated response2- humoral response
1- cell mediated response- pathogen is taken in by macrophage- macrophage process the pathogen & present their antigen on MHC protein.- T helper cells attached to antigen & secretes cytokines to stimulate B lymphocytes to produce plasma cells to secretes antibodies.

2- humoral response- two stages, clonal selection & clonal expansion- clonal selection- B cells has an antibody receptor that is specific to the shape of antigen that has entered the body.- clonal expansion- selected B cells divides by mitosis, producing plasma cells & memory cells.- plasma cells secretes antibodies that specifically combine with the antigen 3. Make an illustration demonstrating passive and active immunity. 4. Describe the structure and function of the lymphatic system. 5. Infer Why is the destruction of helper T cells in HIV infection so devastating to specific immunity?
The helper t cells strengthen the immune system to fight bacteria, viruses or germs that have entered the body. HIV infection destroys the T-cells which weakens the immune system. Without the T-cells support, HIV can easily spread in the human body.

Your answer should be 1/3. i hope i could ! good luck : )

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