Skin - Revision history

Ellen References at 16:39, 19 December 2019

2019-12-19T16:39:37Z

2019-11-13T10:49:22Z

2019-06-24T20:23:48Z

‎Key Stage 4

2019-06-24T20:22:52Z

‎Key Stage 4

2019-04-19T20:02:01Z

‎Key Stage 4

2019-04-19T20:00:05Z

2019-04-19T19:59:07Z

2018-09-10T17:44:38Z

2018-09-10T17:40:36Z

2018-07-29T21:17:24Z

Created page with "An organ covering the body used to protect internal organs from external conditions."

New page

An [[organ]] covering the body used to protect [[Internal Organ|internal organs]] from [[External Conditions|external conditions]].

@@ Line 31: / Line 31: @@
 *[[Erector Muscle|Erector muscles]] contract  causing body hairs to stand on end. This creates a pocket of trapped air under the hairs which insulates the body.
 *[[Blood Vessel|Blood vessels]] near the surface of the [[skin]] [[Vasoconstriction|constrict]] reducing [[blood]] flow close to the [[skin]] preventing [[Thermal Energy Store|thermal energy]] being lost to the [[skin]].
 ===References===
@@ Line 43: / Line 39: @@
 :[https://www.amazon.co.uk/gp/product/0008158754/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158754&linkCode=as2&tag=nrjc-21&linkId=27ad53b0283feeff7fc5ae04a9e205f511 ''Skin, pages 106-7, 148, 189, GCSE Biology; Student Book, Collins, AQA '']
 :[https://www.amazon.co.uk/gp/product/1471851338/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851338&linkCode=as2&tag=nrjc-21&linkId=425855d5890466e47189e1c21b67a1ea ''Skin, pages 85-6, GCSE Biology, Hodder, AQA '']

← Older revision		Revision as of 10:49, 13 November 2019
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	==Beyond the Curriculum==		==Beyond the Curriculum==
	{{#ev:youtube\|https://www.youtube.com/watch?v=OxPlCkTKhzY}}		{{#ev:youtube\|https://www.youtube.com/watch?v=OxPlCkTKhzY}}
		+
		+
		+	===References===
		+	====AQA====
		+
		+
		+	:[https://www.amazon.co.uk/gp/product/0198359373/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359373&linkCode=as2&tag=nrjc-21&linkId=952a73bbb09d222ecc4b50d200679849 ''Skin, page 90, GCSE Biology; Third Edition, Oxford University Press, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/0008158754/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158754&linkCode=as2&tag=nrjc-21&linkId=27ad53b0283feeff7fc5ae04a9e205f511 ''Skin, pages 106-7, 148, 189, GCSE Biology; Student Book, Collins, AQA '']
		+	:[https://www.amazon.co.uk/gp/product/1471851338/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851338&linkCode=as2&tag=nrjc-21&linkId=425855d5890466e47189e1c21b67a1ea ''Skin, pages 85-6, GCSE Biology, Hodder, AQA '']

@@ Line 25: / Line 25: @@
 *[[Sweat Gland|Sweat glands]] on the [[skin]] [[secrete]] [[sweat]] which [[evaporate]]s from the [[skin]] cooling it down.
 *[[Erector Muscle|Erector muscles]] relax allowing the body hairs to lie flat on the [[skin]].
-*[[Blood Vessel|Blood vessels]] near the surface of the [[skin]] [[dilate]] to allow more of the warm [[blood]] to pass its [[Thermal Energy Store|thermal energy]] on to the [[skin]].
+*[[Blood Vessel|Blood vessels]] near the surface of the [[skin]] [[Vasodilation|dilate]] to allow more of the warm [[blood]] to pass its [[Thermal Energy Store|thermal energy]] on to the [[skin]].
 When the [[Body Temperature|body temperature]] is too low:
 *[[Sweat Gland|Sweat glands]] stop [[secrete|secreting]] [[sweat]] and the [[skin]] becomes dry.
 *[[Erector Muscle|Erector muscles]] contract  causing body hairs to stand on end. This creates a pocket of trapped air under the hairs which insulates the body.
-*[[Blood Vessel|Blood vessels]] near the surface of the [[skin]] [[constrict]] reducing [[blood]] flow close to the [[skin]] preventing [[Thermal Energy Store|thermal energy]] being lost to the [[skin]].
+*[[Blood Vessel|Blood vessels]] near the surface of the [[skin]] [[Vasoconstriction|constrict]] reducing [[blood]] flow close to the [[skin]] preventing [[Thermal Energy Store|thermal energy]] being lost to the [[skin]].
 ==Beyond the Curriculum==
 {{#ev:youtube|https://www.youtube.com/watch?v=OxPlCkTKhzY}}

@@ Line 22: / Line 22: @@
 : The [[skin]] is a physical barrier to prevent [[infection]] by [[pathogen]]s.
 : The [[skin]] is used in [[thermoregulation]].
 ==Beyond the Curriculum==
 {{#ev:youtube|https://www.youtube.com/watch?v=OxPlCkTKhzY}}

@@ Line 13: / Line 13: @@
 ==Key Stage 4==
 ===Meaning===
 The [[skin]] is an [[organ]] covering the body used to protect [[Internal Organ|internal organs]] from [[infection]].

← Older revision		Revision as of 19:59, 19 April 2019
Line 7:		Line 7:
	: The [[skin]] has pigment called melanin that protects it from harsh sunlight.		: The [[skin]] has pigment called melanin that protects it from harsh sunlight.
	: The [[skin]] is the largest [[organ]] of the human body.		: The [[skin]] is the largest [[organ]] of the human body.
		+
		+	==Key Stage 4==
		+	===Meaning===
		+	[[File:Skin.png\|right\|300px\|thumb\|A picture of human [[skin]] with some hairs.]]
		+	The [[skin]] is an [[organ]] covering the body used to protect [[Internal Organ\|internal organs]] from [[infection]].
		+
		+	===About the Skin===
		+	: The [[skin]] has pigment called melanin that protects it from harsh sunlight.
		+	: The [[skin]] is the largest [[organ]] of the human body.
		+	: The [[skin]] is a physical barrier to prevent [[infection]] by [[pathogen]]s.
		+	: The [[skin]] is used in [[thermoregulation]].
		+
		+	==Beyond the Curriculum==
		+	{{#ev:youtube\|https://www.youtube.com/watch?v=OxPlCkTKhzY}}

@@ Line 1: / Line 1: @@
 ==Key Stage 3==
 ===Meaning===
-The [[skin]] is an [[organ]] covering the body used to protect [[Internal Organ|internal organs]] from infection.
+[[File:Skin.png|right|300px|thumb|A picture of human [[skin]] with some hairs.]]

← Older revision		Revision as of 17:40, 10 September 2018
Line 1:		Line 1:
−	An [[organ]] covering the body used to protect [[Internal Organ\|internal organs]] from ~~[[External Conditions\|external conditions]]~~.	+	==Key Stage 3==
		+	===Meaning===
		+	The [[skin]] is an [[organ]] covering the body used to protect [[Internal Organ\|internal organs]] from infection.