A 42 year old man will have less calcium
Some allergens act directly as antigens, and the immune system recognizes them as foreign, stimulating the production of specific antibodies.
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What is immune system?</h3>
- The body's defense against infection is provided by the immune system, a complex network of organs, cells, and proteins that also safeguards the body's own cells.
- Every germ (microbe) that the immune system has ever eliminated is recorded, allowing it to promptly identify and eliminate the microbe if it re-enters the body.
- Flu, mono (mononucleosis), and measles illnesses can temporarily impair immune function.
- Additionally, unhealthy eating habits, alcoholism, and smoking might impair your immune system.
- Since the many types of immune system cells are produced in the bone marrow, if the immune system were a police force, it would be the police academy.
- In the bone marrow, stem cells, a common type of beginning cell, are used to develop all immune system cells.
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Answer:
The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. Cells also contain the body's hereditary material and can make copies of themselves.
Explanation: