"sistema circulatório" meaning in Portuguese

{
  "forms": [
    {
      "form": "sistemas circulatórios",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "sistema circulatório m (plural sistemas circulatórios)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese nouns with irregular gender",
          "parents": [
            "Nouns with irregular gender",
            "Irregular nouns",
            "Nouns by inflection type",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "pt",
          "name": "Physiology",
          "orig": "pt:Physiology",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "circulatory system (the heart and blood vessels)"
      ],
      "id": "en-sistema_circulatório-pt-noun-G09jvS3a",
      "links": [
        [
          "physiology",
          "physiology"
        ],
        [
          "circulatory system",
          "circulatory system"
        ]
      ],
      "raw_glosses": [
        "(physiology) circulatory system (the heart and blood vessels)"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "medicine",
        "physiology",
        "sciences"
      ]
    }
  ],
  "word": "sistema circulatório"
}

{
  "forms": [
    {
      "form": "sistemas circulatórios",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "sistema circulatório m (plural sistemas circulatórios)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Portuguese countable nouns",
        "Portuguese entries with incorrect language header",
        "Portuguese lemmas",
        "Portuguese masculine nouns",
        "Portuguese multiword terms",
        "Portuguese nouns",
        "Portuguese nouns with irregular gender",
        "Portuguese nouns with red links in their headword lines",
        "pt:Physiology"
      ],
      "glosses": [
        "circulatory system (the heart and blood vessels)"
      ],
      "links": [
        [
          "physiology",
          "physiology"
        ],
        [
          "circulatory system",
          "circulatory system"
        ]
      ],
      "raw_glosses": [
        "(physiology) circulatory system (the heart and blood vessels)"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "medicine",
        "physiology",
        "sciences"
      ]
    }
  ],
  "word": "sistema circulatório"
}