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Players put on the active/physically unable to perform list — or PUP — at the start of training camp have football-related injuries, like those on IR, but count against the active roster.
Players who report to training camp injured or ill due to injuries or illnesses sustained outside of NFL practices or games can be placed on the active/non-football injury or active/non-football illness lists while they recover. A player cannot remain on an NFI list if they participate in a practice or game during the preseason.
The injured reserve list (abbr. IR list) is a designation used in North American professional sports leagues for athletes who suffer injuries and become unable to play. The exact name of the list varies by league; it is known as "injured reserve" in the National Football League (NFL) and National Hockey League (NHL), the "injured list" in the Canadian Football League (CFL), and the injured ...
The immune system is a network of biological systems that protects an organism from diseases. It detects and responds to a wide variety of pathogens , from viruses to bacteria , as well as cancer cells , parasitic worms , and also objects such as wood splinters , distinguishing them from the organism's own healthy tissue .
A biological system is a complex network which connects several biologically relevant entities. Biological organization spans several scales and are determined based different structures depending on what the system is. [1] Examples of biological systems at the macro scale are populations of organisms.
Mathematics – graph/network theory, population modeling, dynamical systems, phylogenetics. Medicine – biophysical research that emphasizes medicine. Medical biophysics is a field closely related to physiology. It explains various aspects and systems of the body from a physical and mathematical perspective.
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Two or more organs working together in the execution of a specific body function form an organ system, also called a biological system or body system. An organ's tissues can be broadly categorized as parenchyma , the functional tissue, and stroma , the structural tissue with supportive, connective, or ancillary functions.