Homeostasis
Akopọ
Whether you are sunbathing or shivering in the snow, your core body temperature stays close to 37 degrees Celsius. Whether you have just eaten a sugary meal or skipped breakfast, your blood glucose stays within narrow limits. This steady internal world is called homeostasis, and your body works constantly to maintain it.
In this lesson you will learn what homeostasis is, how negative feedback keeps conditions near a set point, how insulin and glucagon control blood glucose, how Type 1 diabetes is treated, and how the skin keeps your temperature constant through sweating, shivering, vasodilation and vasoconstriction.
Awọn Afojusun
- Describe homeostasis as the maintenance of a constant internal environment
- State that insulin decreases blood glucose concentration
- [Supplement] Explain the concept of homeostatic control by negative feedback with reference to a set point
- [Supplement] Describe the control of blood glucose concentration by the liver and the roles of insulin and glucagon
- [Supplement] Outline the treatment of Type 1 diabetes
- [Supplement] Identify in diagrams and images of the skin: hairs, hair erector muscles, sweat glands, receptors, sensory neurones, blood vessels and fatty tissue
- [Supplement] Describe the maintenance of a constant internal body temperature in mammals in terms of: insulation, sweating, shivering and the role of the brain
- [Supplement] Describe the maintenance of a constant internal body temperature in mammals in terms of vasodilation and vasoconstriction of arterioles supplying skin surface capillaries
Akọ̀wé Ẹ̀kọ́
O wa lori ohun elo Green Bridge
Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.
Ìdánwò Ẹ̀kọ́
Oriire fun ipari ẹkọ lori Homeostasis. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.
Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.
Lo ise abala yii gege bi anfaani lati mu oye re lori koko-ọrọ naa lagbara ati lati ṣe idanimọ eyikeyi agbegbe ti o le nilo afikun ikẹkọ. Maṣe jẹ ki awọn italaya eyikeyi ti o ba pade da ọ lójú; dipo, wo wọn gẹgẹ bi awọn anfaani fun idagbasoke ati ilọsiwaju.
- Homeostasis is the maintenance of a constant: A. external environment B. internal environment C. body mass D. heart rate Answer: B
- After a sugary meal the blood glucose level rises, and the pancreas releases a hormone that brings it back down. Which hormone is this? A. glucagon B. insulin C. adrenaline D. testosterone Answer: B
- When the body is too hot, the skin arterioles: A. narrow (vasoconstriction) B. widen (vasodilation) C. disappear D. stop carrying blood Answer: B
- Shivering helps to warm the body because muscle contraction releases heat from: A. evaporation B. respiration C. digestion D. excretion Answer: B
- Type 1 diabetes is treated mainly with regular: A. glucagon tablets B. insulin injections C. adrenaline injections D. extra sugar Answer: B
O wa lori ohun elo Green Bridge
Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.
O wa lori ohun elo Green Bridge
Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.
Awọn Iwe Itọsọna Ti a Gba Nimọran
Ṣe Adaṣe Awọn Ibeere Idanwo Adaṣe
Ṣe o fẹ ṣe adaṣe awọn ibeere idanwo adaṣe nipa Homeostasis? Ṣe igbasilẹ ohun elo Green Bridge CBT lati wọle si awọn ibeere idanwo adaṣe ati awọn ayẹwo adaṣe kikun fun koko-ọrọ yii.
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