Biology Kenya
Excretion and Homeostasis
Excretion and Homeostasis
Excretion and Homeostasis
Excretion in plants
Methods of excretion in plants
Useful and harmful excretory products of plants and their economic importance e.g. caffeine in tea and coffee, quinine, tannins,colchicine, cocaine, rubber, gum, papain (from pawpaw) and products of cannabis sativa (bhang) and khat (miraa)
Excretion and Homeostasis in Animals
Distinction between excretion, homeostatis and egestion
Excretion in a named uni-cellular organisms (protozoa)
Structure and functions of skin and kidney
Neuro-endocrine system and homeostasis: Water balance (blood osmotic pressure), Blood sugar level (control), Tempearature regulation (mention the role of hypothalamus)
Common kidney diseases, their systoms and possible methods of prevention and control
The role of the skin in thermoregulation, salt and water balance
Major functions of the liver, their symptoms and possible methods of prevention/control
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