"sistema nerviós" meaning in Catalan

{
  "forms": [
    {
      "form": "sistemes nerviosos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "sistema nerviós m (plural sistemes nerviosos)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Catalan masculine nouns ending in -a",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ca",
          "name": "Organ systems",
          "orig": "ca:Organ systems",
          "parents": [
            "Body parts",
            "Systems",
            "Body",
            "Anatomy",
            "Interdisciplinary fields",
            "Sciences",
            "Society",
            "Human",
            "Biology",
            "Medicine",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "nervous system"
      ],
      "id": "en-sistema_nerviós-ca-noun-O1xeGLI9",
      "links": [
        [
          "nervous system",
          "nervous system"
        ]
      ],
      "tags": [
        "masculine"
      ],
      "wikipedia": [
        "ca:sistema nerviós"
      ]
    }
  ],
  "word": "sistema nerviós"
}

{
  "forms": [
    {
      "form": "sistemes nerviosos",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "sistema nerviós m (plural sistemes nerviosos)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Catalan countable nouns",
        "Catalan entries with incorrect language header",
        "Catalan lemmas",
        "Catalan masculine nouns",
        "Catalan masculine nouns ending in -a",
        "Catalan multiword terms",
        "Catalan nouns",
        "ca:Organ systems"
      ],
      "glosses": [
        "nervous system"
      ],
      "links": [
        [
          "nervous system",
          "nervous system"
        ]
      ],
      "tags": [
        "masculine"
      ],
      "wikipedia": [
        "ca:sistema nerviós"
      ]
    }
  ],
  "word": "sistema nerviós"
}