Plus get some simple action steps that you can can start taking now to help avoid getting a hernia when working out and lifting weights. First off, a hernia is when some organ material (i.e. a portion of the intestine) protrudes through a weakness in abdominal lining. This weakness is often caused by genetics.
adaptation. 1. the adjustment of an organism to its environment, or the process by which it enhances such fitness. 2. the normal adjustment of the eye to variations in intensity of light. 3. the decline in the frequency of firing of a neuron, particularly of a receptor, under conditions of constant stimulation.
Vocabulary. 1  Adaptation: A change in an organism over time that helps it to survive in its environment. 2  Behavioral Adaptation: A change in the way an organism responds to its environment over time that increases its chances to survive and reproduce. 3  Characteristic: Trait or feature of an organism.