bioelementos primarios, sec y oligo

Bioelementos: primarios, secundarios, oligoelementos

Se denominan elementos biogénicos o bioelementos a aquellos elementos químicos que forman parte de los seres vivos.

Primarios

Oligoelementos

Secundarios

Conjunto de elementos químicos presentes en los organismos en forma vestigial, pero que son indispensables para el desarrollo armónico del organismo.

C, H, O, N. Son los elementos mayoritarios de la materia viva, constituyen el 95% de la masa total.

S, P, Mg, Ca, Na, K, Cl. Los encontramos formando parte de todos los seres vivos, y en una proporción del 4,5%.

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Son 14 y constituyen el 0,5%: hierro, manganeso, cobre, zinc, flúor, iodo, boro, silicio, vanadio, cromo, cobalto, selenio, molibdeno y estaño.

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