Term | Definition |
Interactions | mutual or reciprocal action or influence |
Systems [body] | a group of body organs that together perform one or more vital functions |
Regulation | the process of redistributing material (as in an embryo) to restore a damaged or lost part independent of new tissue growth |
Nutrient absorption | Digested molecules of food, as well as water and minerals from the diet, are absorbed from the cavity of the upper small intestine. |
Reproduction | the process that produces babies, young animals, or new plants |
Defense | means or method of defending or protecting oneself, one's team, or another |
Reflex response | an automatic instinctive unlearned reaction to a stimulus |
Nerve impulse | A wave of physical and chemical excitation along a nerve fiber in response to a stimulus, accompanied by a transient change in electric potential in the membrane of the fiber. |
Sensory neuron | a nerve cell that conducts impulses from the periphery of the body to the central nervous system. |
Motor neuron | A neuron that conveys impulses from the central nervous system to a muscle, gland, or other effector tissue. |
Response | organism's reaction to a stimulus. |
Pathogen | agent, such as a bacterium, virus, protozoan, or fungus, that causes infectious disease. |
Pathogenic | Capable of causing disease. |
Digestive tract | The mucous membrane-lined tube of the digestive system through which food passes, in which digestion takes place, and from which wastes are eliminated. It extends from the mouth to the anus and includes the pharynx, esophagus, stomach, and intestines. |
Microorganism | An organism or infectious agent of microscopic or submicroscopic size, especially a bacterium or protozoan. |