jhanley4637
16.12.2021 •
Biology
Hay personas que son alérgicas al polen, los ácaros, la picadura de algunos insectos o determinados alimentos (mariscos, frutos secos ...). ¿Qué sucede en tu cuerpo cuando ingresan estas sustancias?
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Ответ:
Cuando una persona alérgica a esa sustancia encuentra una sustancia inofensiva como el polvo, el moho o el polen, el sistema inmunológico puede reaccionar de forma exagerada produciendo anticuerpos que "atacan" al alérgeno. Puede causar sibilancias, picazón, secreción nasal, ojos llorosos o con picazón y otros síntomas.
Ответ:
Charles Darwin's theory of evolution states that evolution happens by natural selection. Individuals in a species show variation in physical characteristics. As a consequence those individuals most suited to their environment survive and, given enough time, the species will gradually evolve.
Explanation:
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