Term: circulation: movement through a circuit; especially the movement of blood through the heart and blood vessels
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: black: black clothing (worn as a sign of mourning)
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: explosive mixture: a mixture that is explosive
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: fielding: (baseball) handling the ball while playing in the field
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: frill: (paleontology) a bony plate that curves upward behind the skull of many ceratopsian dinosaurs
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: wainscoting: a wainscoted wall (or wainscoted walls collectively)
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: particle: a body having finite mass and internal structure but negligible dimensions
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: gastrin: polypeptide hormone secreted by the mucous lining of the stomach; when peptides and amino acids are present in the small intestine the secretion of gastric acid is stimulated
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: firebug: a true bug: brightly colored bug that can exude a stain
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: auditory center: the part of the brain (in a fold of the cerebral cortex of the temporal lobe on both sides of the brain) that receives impulses from the ear by way of the auditory nerve
Broader: natural phenomenon: all phenomena that are not artificial | Unrelated: ambergris: waxy substance secreted by the sperm whale and found floating at sea or washed ashore; used in perfume