{"id":416,"date":"2015-04-08T17:41:14","date_gmt":"2015-04-08T17:41:14","guid":{"rendered":"https:\/\/courses.candelalearning.com\/biology2xmaster\/?post_type=chapter&#038;p=416"},"modified":"2015-07-07T19:32:06","modified_gmt":"2015-07-07T19:32:06","slug":"introduction-to-the-endocrine-system","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/odessa-biology2\/chapter\/introduction-to-the-endocrine-system\/","title":{"raw":"Introduction to the Endocrine System","rendered":"Introduction to the Endocrine System"},"content":{"raw":"<p id=\"fs-idm79589648\">An animal\u2019s endocrine system controls body processes through the production, secretion, and regulation of hormones, which serve as chemical \u201cmessengers\u201d functioning in cellular and organ activity and, ultimately, maintaining the body\u2019s homeostasis. The endocrine system plays a role in growth, metabolism, and sexual development. In humans, common endocrine system diseases include thyroid disease and diabetes mellitus. In organisms that undergo metamorphosis, the process is controlled by the endocrine system. The transformation from tadpole to frog, for example, is complex and nuanced to adapt to specific environments and ecological circumstances.<\/p>\r\n\r\n\r\n[caption id=\"\" align=\"alignnone\" width=\"700\"]<img src=\"http:\/\/cnx.org\/resources\/018ed20efc19111b1c0036bbcef65360\/Figure_37_00_01abc.jpg\" alt=\" Photo A shows a tadpole. Photo b shows a frog that has developed legs but still has the tail of a tadpole. Photo C shows a fully grown frog.\" width=\"700\" data-media-type=\"image\/jpg\" \/> Figure 1.\u00a0The process of amphibian metamorphosis, as seen in the tadpole-to-frog stages shown here, is driven by hormones. (credit \"tadpole\": modification of work by Brian Gratwicke)[\/caption]","rendered":"<p id=\"fs-idm79589648\">An animal\u2019s endocrine system controls body processes through the production, secretion, and regulation of hormones, which serve as chemical \u201cmessengers\u201d functioning in cellular and organ activity and, ultimately, maintaining the body\u2019s homeostasis. The endocrine system plays a role in growth, metabolism, and sexual development. In humans, common endocrine system diseases include thyroid disease and diabetes mellitus. In organisms that undergo metamorphosis, the process is controlled by the endocrine system. The transformation from tadpole to frog, for example, is complex and nuanced to adapt to specific environments and ecological circumstances.<\/p>\n<div style=\"width: 710px\" class=\"wp-caption alignnone\"><img decoding=\"async\" src=\"http:\/\/cnx.org\/resources\/018ed20efc19111b1c0036bbcef65360\/Figure_37_00_01abc.jpg\" alt=\"Photo A shows a tadpole. Photo b shows a frog that has developed legs but still has the tail of a tadpole. Photo C shows a fully grown frog.\" width=\"700\" data-media-type=\"image\/jpg\" \/><\/p>\n<p class=\"wp-caption-text\">Figure 1.\u00a0The process of amphibian metamorphosis, as seen in the tadpole-to-frog stages shown here, is driven by hormones. (credit &#8220;tadpole&#8221;: modification of work by Brian Gratwicke)<\/p>\n<\/div>\n\n\t\t\t <section class=\"citations-section\" role=\"contentinfo\">\n\t\t\t <h3>Candela Citations<\/h3>\n\t\t\t\t\t <div>\n\t\t\t\t\t\t <div id=\"citation-list-416\">\n\t\t\t\t\t\t\t <div class=\"licensing\"><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Shared previously<\/div><ul class=\"citation-list\"><li>Biology. <strong>Authored by<\/strong>: OpenStax. <strong>Provided by<\/strong>: OpenStax College. <strong>Located at<\/strong>: <a target=\"_blank\" href=\"http:\/\/cnx.org\/contents\/185cbf87-c72e-48f5-b51e-f14f21b5eabd@9.44:1\/Biology\">http:\/\/cnx.org\/contents\/185cbf87-c72e-48f5-b51e-f14f21b5eabd@9.44:1\/Biology<\/a>. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY: Attribution<\/a><\/em><\/li><\/ul><\/div>\n\t\t\t\t\t\t <\/div>\n\t\t\t\t\t <\/div>\n\t\t\t <\/section>","protected":false},"author":78,"menu_order":1,"template":"","meta":{"_candela_citation":"[{\"type\":\"cc\",\"description\":\"Biology\",\"author\":\"OpenStax\",\"organization\":\"OpenStax College\",\"url\":\"http:\/\/cnx.org\/contents\/185cbf87-c72e-48f5-b51e-f14f21b5eabd@9.44:1\/Biology\",\"project\":\"\",\"license\":\"cc-by\",\"license_terms\":\"\"}]","CANDELA_OUTCOMES_GUID":"","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-416","chapter","type-chapter","status-publish","hentry"],"part":153,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/odessa-biology2\/wp-json\/pressbooks\/v2\/chapters\/416","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courses.lumenlearning.com\/odessa-biology2\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/courses.lumenlearning.com\/odessa-biology2\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/odessa-biology2\/wp-json\/wp\/v2\/users\/78"}],"version-history":[{"count":2,"href":"https:\/\/courses.lumenlearning.com\/odessa-biology2\/wp-json\/pressbooks\/v2\/chapters\/416\/revisions"}],"predecessor-version":[{"id":845,"href":"https:\/\/courses.lumenlearning.com\/odessa-biology2\/wp-json\/pressbooks\/v2\/chapters\/416\/revisions\/845"}],"part":[{"href":"https:\/\/courses.lumenlearning.com\/odessa-biology2\/wp-json\/pressbooks\/v2\/parts\/153"}],"metadata":[{"href":"https:\/\/courses.lumenlearning.com\/odessa-biology2\/wp-json\/pressbooks\/v2\/chapters\/416\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/odessa-biology2\/wp-json\/wp\/v2\/media?parent=416"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/odessa-biology2\/wp-json\/pressbooks\/v2\/chapter-type?post=416"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/odessa-biology2\/wp-json\/wp\/v2\/contributor?post=416"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/odessa-biology2\/wp-json\/wp\/v2\/license?post=416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}