{"id":33,"date":"2017-12-13T14:26:15","date_gmt":"2017-12-13T19:26:15","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/vitalsignh5p\/chapter\/chapter-2-temperature\/"},"modified":"2020-10-26T15:43:20","modified_gmt":"2020-10-26T19:43:20","slug":"chapter-2-temperature","status":"publish","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/vitalsignh5p\/chapter\/chapter-2-temperature\/","title":{"raw":"What is Temperature?","rendered":"What is Temperature?"},"content":{"raw":"<strong>Temperature<\/strong> refers to the degree of heat or cold in an object or a human body. In humans, the brain\u2019s <strong>hypothalamus<\/strong> acts as the body\u2019s thermostat and is responsible for regulating its temperature (OER #2). See <strong>Figure 2.1<\/strong> of the hypothalamus.\r\n\r\nThe human body is constantly adapting to internal health states and environmental conditions, and the hypothalamus is programmed to tell the body to generate heat if the body temperature is low. For example, the hypothalamus can activate peripheral vasoconstriction and shivering (contraction of skeletal muscles) to prevent a decrease in body temperature. The hypothalamus can also reduce heat if the body temperature is too high. For example, it can activate peripheral vasodilation to increase heat loss and cause a person to perspire, which cools the body.\r\n<div class=\"textbox\"><img class=\"aligncenter size-large wp-image-1490\" src=\"https:\/\/pressbooks.bccampus.ca\/knowinghome\/wp-content\/uploads\/sites\/1063\/2019\/08\/hypothalamus-final-scaled.jpg\" alt=\"Position of the area of the hypothalamus in the brain in relation to the thalamus, mid-brain and pituitary gland\" width=\"1024\" height=\"577\" \/><\/div>\r\n<strong>Figure 2.1:<\/strong> Hypothalamus (Illustration credit: Hilary Tang)\r\n\r\n&nbsp;\r\n\r\n&nbsp;\r\n\r\n&nbsp;\r\n\r\n____________________________________________________\r\n\r\nPart of this content was adapted from OER #2 (as noted in brackets above):\r\n\r\n\u00a9 Apr 10, 2017\u00a0OpenStax Anatomy and Physiology.\u00a0Textbook content produced by\u00a0OpenStax Anatomy and Physiology\u00a0is licensed under a\u00a0<a href=\"http:\/\/creativecommons.org\/licenses\/by\/4.0\/\" target=\"_blank\" rel=\"noopener noreferrer\">Creative Commons Attribution License 4.0<\/a>\u00a0license.\u00a0Download for free at\u00a0<a href=\"http:\/\/cnx.org\/contents\/7c42370b-c3ad-48ac-9620-d15367b882c6@12\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/cnx.org\/contents\/7c42370b-c3ad-48ac-9620-d15367b882c6@12<\/a>","rendered":"<p><strong>Temperature<\/strong> refers to the degree of heat or cold in an object or a human body. In humans, the brain\u2019s <strong>hypothalamus<\/strong> acts as the body\u2019s thermostat and is responsible for regulating its temperature (OER #2). See <strong>Figure 2.1<\/strong> of the hypothalamus.<\/p>\n<p>The human body is constantly adapting to internal health states and environmental conditions, and the hypothalamus is programmed to tell the body to generate heat if the body temperature is low. For example, the hypothalamus can activate peripheral vasoconstriction and shivering (contraction of skeletal muscles) to prevent a decrease in body temperature. The hypothalamus can also reduce heat if the body temperature is too high. For example, it can activate peripheral vasodilation to increase heat loss and cause a person to perspire, which cools the body.<\/p>\n<div class=\"textbox\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-1490\" src=\"https:\/\/pressbooks.bccampus.ca\/knowinghome\/wp-content\/uploads\/sites\/1063\/2019\/08\/hypothalamus-final-scaled.jpg\" alt=\"Position of the area of the hypothalamus in the brain in relation to the thalamus, mid-brain and pituitary gland\" width=\"1024\" height=\"577\" \/><\/div>\n<p><strong>Figure 2.1:<\/strong> Hypothalamus (Illustration credit: Hilary Tang)<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>____________________________________________________<\/p>\n<p>Part of this content was adapted from OER #2 (as noted in brackets above):<\/p>\n<p>\u00a9 Apr 10, 2017\u00a0OpenStax Anatomy and Physiology.\u00a0Textbook content produced by\u00a0OpenStax Anatomy and Physiology\u00a0is licensed under a\u00a0<a href=\"http:\/\/creativecommons.org\/licenses\/by\/4.0\/\" target=\"_blank\" rel=\"noopener noreferrer\">Creative Commons Attribution License 4.0<\/a>\u00a0license.\u00a0Download for free at\u00a0<a href=\"http:\/\/cnx.org\/contents\/7c42370b-c3ad-48ac-9620-d15367b882c6@12\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/cnx.org\/contents\/7c42370b-c3ad-48ac-9620-d15367b882c6@12<\/a><\/p>\n","protected":false},"author":103,"menu_order":1,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[48],"contributor":[],"license":[],"class_list":["post-33","chapter","type-chapter","status-publish","hentry","chapter-type-numberless"],"part":29,"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/vitalsignh5p\/wp-json\/pressbooks\/v2\/chapters\/33","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/vitalsignh5p\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/vitalsignh5p\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/vitalsignh5p\/wp-json\/wp\/v2\/users\/103"}],"version-history":[{"count":2,"href":"https:\/\/pressbooks.bccampus.ca\/vitalsignh5p\/wp-json\/pressbooks\/v2\/chapters\/33\/revisions"}],"predecessor-version":[{"id":599,"href":"https:\/\/pressbooks.bccampus.ca\/vitalsignh5p\/wp-json\/pressbooks\/v2\/chapters\/33\/revisions\/599"}],"part":[{"href":"https:\/\/pressbooks.bccampus.ca\/vitalsignh5p\/wp-json\/pressbooks\/v2\/parts\/29"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/vitalsignh5p\/wp-json\/pressbooks\/v2\/chapters\/33\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/vitalsignh5p\/wp-json\/wp\/v2\/media?parent=33"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/vitalsignh5p\/wp-json\/pressbooks\/v2\/chapter-type?post=33"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/vitalsignh5p\/wp-json\/wp\/v2\/contributor?post=33"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/vitalsignh5p\/wp-json\/wp\/v2\/license?post=33"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}