How do lymph, lymphatic vessels, and lymph nodes work together to help protect the body from infection?A.They collect disease-causing agents.B.They remove carbon dioxide from blood.C.They enrich blood with oxygen.D.They allow vitamins to be absorbed.SUBMITarrow_backPREVIOUS
Question
How do lymph, lymphatic vessels, and lymph nodes work together to help protect the body from infection?A.They collect disease-causing agents.B.They remove carbon dioxide from blood.C.They enrich blood with oxygen.D.They allow vitamins to be absorbed.SUBMITarrow_backPREVIOUS
Solution
The lymphatic system, which includes lymph, lymphatic vessels, and lymph nodes, plays a crucial role in the body's defense against infection. Here's how they work together:
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Lymph: This is a clear fluid that circulates throughout the lymphatic system. It contains white blood cells, particularly lymphocytes, which are essential in fighting off infections. Lymph also carries waste products and debris away from tissues, which includes any disease-causing agents like bacteria or viruses.
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Lymphatic Vessels: These are a network of tubes spread throughout the body that carry lymph. They work in a similar way to the blood vessels. The lymphatic vessels transport the lymph (containing the disease-causing agents) from the body tissues to the lymph nodes.
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Lymph Nodes: These are small, bean-shaped structures that produce and store cells that fight infection and disease. They act as filters for the lymph fluid as it flows through them. Within the lymph nodes, the disease-causing agents are exposed to the immune cells. These immune cells can then mount a response to neutralize these agents, thus protecting the body from infection.
So, the correct answer to your question is A. They collect disease-causing agents.
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