Examlex
Although all humans have the same basic set of genes, these genes can come in different versions. These different forms of a particular gene are called:
Immune System
The complex network of cells, tissues, and organs that work together to defend the body against attacks by foreign invaders such as bacteria, viruses, and other pathogens.
Toxic By-products
Harmful substances produced during manufacturing processes or chemical reactions.
Psychological Dependence
A form of dependence characterized by a perceived need to continue a behavior to achieve emotional or psychological fulfillment.
Physical Dependence
A physiological state of adaptation to a substance, characterized by the occurrence of specific withdrawal symptoms when it is discontinued.
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