Nasal anatomical respirator (3), formed by a one-piece body having a first (1) and a second tubular elements (2) each of which has a first (1.1, 2.1) and a second end (1.2, 2.2), said first (1) and second tubular elements (2) joined by a connecting bridge (4) close to the first ends (1.1, 2.1) of the tubular elements, where the tubular elements (1, 2) are apt to be introduced into the nostrils and have an air passage opening (6) in both the first (1.1, 2.1) and second ends (1.2, 2.2), characterized in that the second end (1.2, 2.2) of the tubular elements presents a set of hemispherical ribs (5) protruding from the tubular element (1, 2), in such a way that the opening (6) of air passage through said ribs (5), of the second ends (1.2, 2.2) of the tubular elements (1, 2) is equal to or greater than the cross section of the tubular elements (1, 2). nasal anatomical respirator (3), according to claim 1, characterized in that the set of ribs is formed by four symmetrical ribs (5). 3. Nasal anatomical respirator (3), according to any of the preceding claims, characterized in that the opening (6) for air passage through the first ends (1.1, 2.1) of the tubular elements (1, 2) is equal to the cross section thereof at said first end (1.1, 2.1), this being an elliptical surface. (Machine-translation by Google Translate, not legally binding)1. Respirador (3) anatómico nasal, conformado por un cuerpo monopieza que presenta un primer (1) y un segundo elementos tubulares (2) cada uno de los cuales dispone de un primer (1.1, 2.1) y un segundo extremo (1.2, 2.2), unidos dichos primer (1) y segundo elementos tubulares (2) por un puente de unión (4) próximo a los primeros extremos (1.1, 2.1) de los elementos tubulares, donde los elementos tubulares (1, 2) son aptos para ser introducidos en las fosas nasales y presentan una abertura (6) de paso de aire en ambos primer (1.1, 2.1) y segundo extremos (1.2, 2.2), caracterizado porque el segundo extremo (1.2, 2.2) de los elementos tubular