Worn-out cells and harmful invaders are ingested by an immune system agent known as the

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Quizplus · Accepted Answer

Worn-out cells and harmful invaders are ingested by macrophages, which are immune system cells that engulf and digest foreign substances. B lymphocytes produce antibodies to help in the elimination of these invaders, but they do not ingest them. Epinephrine is a hormone involved in the "fight or flight" response and not directly related to the immune system. Carcinogens are substances that can cause cancer and are not involved in the immune response.

Worn-Out Cells and Harmful Invaders Are Ingested by an Immune