A is an agent in the environmental that has the potential to cause disease. 2. T

Question

A is an agent in the environmental that has the potential to cause disease. 2. The system is a collection of cells and organs that protect an organism's body from agents that can cause disease. 3. defenses are always at the ready and are the same whether a particular infectious agent has been encountered before or not. 4. describes a set of defense that is customized to each infectious agent, providing a stronger response when an agent has been encountered before. 5. describes the process of engulfing and destroying a foreign particle. 6. The system is a set of proteins that circulate in the blood, simulating other defenses to help destroy an invader.

Explanation / Answer

1.A pathogen is an agent in the enviornment that has potential to cause disease.

2.The immune system is a collection of cells and organ that protect an organism's body from agents that can cause disease.

3. External defenses are always at the ready and are the same whether a particular infectious agent has been encountered before or not.

4. Adaptive immunity describes a set of defenses that is customized to each infectious agent, providing a stronger response when an agent has been encountered before.

5. Phagocytes describes the process of engulfing and destroying a foreign particles.

6. The complement system is a set of proteins that circulate in the blood, stimulating other defenses to help destroy an invader.

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