Lesson 1
Keywords:
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- Homeostasis: Maintaining a constant internal environment in the body (a fundamental characteristic of life)
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- Hypothalamus: A part of the brain that monitors the condition of the body and responds to changes (ex. like temperature changes)
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- Excretion: the removal of waste substances from blood or cells.
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- Excretory system: An organ system that deals with excretion including the kidneys, lungs and skin.
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- Hypothermia: Hypothermia is when the core body temperature drops below normal and homeostatis cannot correct it. It may be life threatening.
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- Diabetes: Diabetes is the inability to control blood sugar levels, causing hypoglycaemia (low blood glucose levels), or hyperglycaemia (high blood glucose levels)
The blood contains a surprisingly similar concentration of salts as sea water
Discuss: Why do you think that is?