Asked by Alessandra Canedo on Jul 26, 2024
Verified
What cell type engulfs pathogens and foreign particles and signals to the immune system to report the presence of a threat?
A) neutrophils
B) B cells
C) macrophages
D) mucus-producing cells
E) normal flora
Macrophages
A type of white blood cell that engulfs and digests cellular debris, foreign substances, microbes, and cancer cells in a process called phagocytosis, playing an important role in the immune response.
Pathogens
Microorganisms that cause disease in their host, including bacteria, viruses, fungi, and parasites.
- Determine the main phagocytic cells within the human immune system.
Verified Answer
AP
Arobert PayneJul 27, 2024
Final Answer :
C
Explanation :
Macrophages are cells that engulf and digest pathogens and foreign particles. They also serve as antigen-presenting cells, displaying parts of the engulfed pathogen or particle on their surface and signaling to the immune system that a threat is present.
Learning Objectives
- Determine the main phagocytic cells within the human immune system.