The type of immunity that uses helper cells and killer cells to identify and destroy abnormal cells is cellular immunity (option C).
Immunity is the process whereby the body defends itself against foreign substances.
Immunity is a function of the immune system, which is the system that differentiates self from non-self and protects the body from foreign substances and pathogenic organisms by producing an immune response.
There are different types of immunity employed by the body as follows:
Cellular immunity is a protective immune process that involves the activation of phagocytes, antigen-sensitized cytotoxic T cells in response of an antigen.
Therefore, the type of immunity that uses helper cells and killer cells to identify and destroy abnormal cells is cellular immunity.
Learn more about cellular immunity at:https://brainly.com/question/11101746
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