Examlex
A permutation of a set of objects or events is a sequence in which the internal ordering of elements is irrelevant.
White Blood Cells
Components of the immune system that defend the body against infectious disease and foreign materials.
Coronary Heart Disease (CHD)
A condition characterized by reduced blood flow to the heart muscle, often due to the buildup of plaque in the coronary arteries.
Pathogens
Microorganisms or viruses that can cause disease when transmitted to a host organism, including bacteria, viruses, fungi, and parasites.
Immune System
The complex network of cells, tissues, and organs that work together to defend the body against disease-causing organisms or substances.
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