Assertion: toxin's effect | /r/AtLocation | nervous system
Facets:
value: mainly
type: DEGREE
Source sentences:
text: The effect of the venom of proteroglyphous snakes (sea snakes, kraits, mambas, black snakes, tiger snakes, and death adders) is mainly on the nervous system, respiratory paralysis being quickly produced by bringing the venom into contact with the central nervous mechanism that controls respiration;