Unsaturated fats - eaten in moderate amounts may lower your risk of heart disease.
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The laws that control the behavior of a car driver is the right of way rules.
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The immune response is how your body recognizes and defends itself against bacteria, viruses, and substances that appear foreign and harmful.
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The immune system protects the body from possibly harmful substances by recognizing and responding to antigens. Antigens are substances (usually proteins) on the surface of cells, viruses, fungi, or bacteria. Nonliving substances such as toxins, chemicals, drugs, and foreign particles (such as a splinter) can also be antigens. The immune system recognizes and destroys, or tries to destroy, substances that contain antigens.
Your body's cells have proteins that are antigens. These include a group of antigens called HLA antigens. Your immune system learns to see these antigens as normal and usually does not react against them.
Contamination of food items by other living organism is known as food contamination. It<span> refers to foods that are spoiled or tainted because they either contain microorganisms, such as bacteria or parasites, or toxic substances that make them unfit for consumption.</span>
Calories, you need calories to function. calories are found in food.
