{"id":1661,"date":"2020-07-09T09:18:49","date_gmt":"2020-07-09T09:18:49","guid":{"rendered":"https:\/\/murreeroad.org\/Biology10\/?p=1661"},"modified":"2020-07-09T09:26:48","modified_gmt":"2020-07-09T09:26:48","slug":"q-1-define-homeostasis-why-body-of-an-organism-needs-this-which-processes-help-in-its-occurrence","status":"publish","type":"post","link":"https:\/\/murreeroad.org\/Biology10\/q-1-define-homeostasis-why-body-of-an-organism-needs-this-which-processes-help-in-its-occurrence\/","title":{"rendered":"Q.1 Define homeostasis. Why body of an organism needs this? Which processes help in its occurrence?"},"content":{"rendered":"<p><strong>Answer:<\/strong><br \/>\nHomeostasis may be defined as the maintenance of the internal conditions of body at equilibrium, despite changes in the external environment.<br \/>\n<strong>Examples: <\/strong><br \/>\n<strong>1.<\/strong> The core temperature of human body remains at about 37\u00b0C despite fluctuations in the<br \/>\nsurrounding temperature.<br \/>\n<strong>2.<\/strong> The blood glucose level remains about lg per liter despite eating a meal rich in carbohydrates.<br \/>\n<strong>Need of homeostasis: <\/strong><br \/>\nAn organism&#8217;s body needs homeostasis because:<br \/>\n<strong>1.<\/strong> Body cells need the internal environment in which conditions do not change much.<br \/>\n<strong>2.<\/strong> Stable internal conditions are important for the efficient functioning of enzymes.<br \/>\n<strong>Processes helping in homeostasis<\/strong><br \/>\n<strong>1. Osmoregulation <\/strong><br \/>\n<strong>Definition<\/strong><br \/>\nIt is maintenance of the amounts of water and salts in body fluids (i.e. blood and tissue fluids).:<br \/>\n<strong>Effect of osmoregulation<\/strong><br \/>\nRelative amount of water and salts in body fluids and inside cells control the processes of diffusion and osmosis, which are essential for the functioning of cells.<br \/>\n<strong>2. Thermoregulation Definition<\/strong><br \/>\nThe maintenance of internal body temperature is called thermoregulation.<br \/>\n<strong>Effect of thermoregulation<\/strong><br \/>\nThe enzymes of body work best at particular temperatures (optimum temperature). Any change in body temperature may affect the functioning of enzymes.<br \/>\n<strong>3. Excretion<\/strong><br \/>\n<strong>Definition<\/strong><br \/>\nExcretion is also a process of homeostasis. In this process, the metabolic wastes are eliminated from body to maintain the internal conditions at equilibrium.<br \/>\n<strong>Metabolic wastes<\/strong><br \/>\nMetabolic waste means any material that is produced during body metabolism and that may harm the body<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Answer: Homeostasis may be defined as the maintenance of the internal conditions of body at equilibrium, despite changes in the external environment. Examples: 1. The core temperature of human body remains at about 37\u00b0C despite fluctuations in the surrounding temperature. 2. The blood glucose level remains about lg per liter despite eating a meal rich&hellip;&nbsp;<a href=\"https:\/\/murreeroad.org\/Biology10\/q-1-define-homeostasis-why-body-of-an-organism-needs-this-which-processes-help-in-its-occurrence\/\" class=\"\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Q.1 Define homeostasis. Why body of an organism needs this? Which processes help in its occurrence?<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[22],"tags":[],"_links":{"self":[{"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/posts\/1661"}],"collection":[{"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/comments?post=1661"}],"version-history":[{"count":6,"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/posts\/1661\/revisions"}],"predecessor-version":[{"id":1669,"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/posts\/1661\/revisions\/1669"}],"wp:attachment":[{"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/media?parent=1661"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/categories?post=1661"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/murreeroad.org\/Biology10\/wp-json\/wp\/v2\/tags?post=1661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}