← Biology / 3 Anatomy and Physiology of Animals
3.3 Excretion and Homeostasis in Animals
Biology · Grade 11 · 26 lessons in the design
What you will be able to do
- relate excretory structures to their products in insects, birds, and fish
- relate the internal structure of the mammalian kidney to its function
- describe the process of urine formation in mammals
- relate the structure of the mammalian liver and skin to their excretory functions
- illustrate homeostatic regulation in humans
- reflect on the importance of excretion and homeostasis in animals
Key questions
“How do animals get rid of waste products?”
“How do animals cope with environmental changes?”
Lessons
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Excretion and homeostasis
40 min · 1 practice tasks · quizExplain excretion and homeostasis in animals.
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Excretion in insects
40 min · 1 practice tasks · quizDescribe excretory structures and products in insects.
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Excretion in birds
40 min · 1 practice tasks · quizDescribe excretory structures and products in birds.
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Excretion in fish
40 min · 1 practice tasks · quizDescribe excretion in freshwater and marine fish.
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Comparing excretory products
40 min · 1 practice tasks · quizCompare the main nitrogenous waste products of animals.
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The mammalian kidney
40 min · 1 practice tasks · quizDescribe the position and external structure of the kidney.
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Internal structure of the kidney
40 min · 1 practice tasks · quizDescribe the internal structure of the kidney.
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The nephron
40 min · 1 practice tasks · quizDescribe the structure of the nephron.
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Urine formation: an overview
40 min · 1 practice tasks · quizOutline the process of urine formation.
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Ultrafiltration
40 min · 1 practice tasks · quizExplain ultrafiltration in the glomerulus.
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Selective reabsorption
40 min · 1 practice tasks · quizExplain selective reabsorption in the kidney.
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Tubular secretion and water reabsorption
40 min · 1 practice tasks · quizExplain secretion and final water reabsorption.
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Structure of the mammalian skin
40 min · 1 practice tasks · quizDescribe the structure of the mammalian skin.
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The skin in excretion
40 min · 1 practice tasks · quizExplain the role of the skin in excretion.
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The liver
40 min · 1 practice tasks · quizDescribe the structure and functions of the liver.
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The liver in excretion
40 min · 1 practice tasks · quizExplain the excretory role of the liver.
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Homeostasis
40 min · 1 practice tasks · quizExplain homeostasis and negative feedback.
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Osmoregulation
40 min · 1 practice tasks · quizExplain the regulation of water and salts.
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Thermoregulation
40 min · 1 practice tasks · quizExplain the control of body temperature.
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Blood sugar regulation
40 min · 1 practice tasks · quizExplain the control of blood sugar.
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Diabetes mellitus and insipidus
40 min · 1 practice tasks · quizDescribe diabetes mellitus and diabetes insipidus.
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Liver diseases and disorders
40 min · 1 practice tasks · quizDescribe common liver diseases.
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Animal responses to the environment
40 min · 1 practice tasks · quizDescribe how animals respond to environmental changes.
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Observing the mammalian kidney
40 min · 1 practice tasks · quizDissect and observe a mammalian kidney.
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Importance of excretion and homeostasis
40 min · 1 practice tasks · quizExplain why excretion and homeostasis matter.
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Appreciating excretion and homeostasis
40 min · 1 practice tasks · quizValue excretion and homeostasis and reflect on the node.