Flashcards in Homeostasis Deck (13)
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1
What is the definition of homeostasis
Where your body maintains a constant internal environment
2
Why does your body need to maintain a constant internal environment?
So body cells can work properly
3
What 4 thing does your body need to keep constant?
Ions
Water
Temperature
Blood Sugar
4
Name 2 ions that the body needs to function properly
Sodium
Potassium
5
How do you increase the level of ions in the body?
Food
6
If your body has too many ions how does it get rid of them?
The kidneys remove the ions in urine
7
How is the level of water in the body increased?
Food
Drink
8
How is water lost from the body?
Through the skin as sweat
Through the lungs in breath
Through the kidneys as urine
9
Do you produce more or less urine on a cold day?
More because you don't sweat much
10
Do you produce more or less urine on a hot day?
Less because you sweat more
11
Why does your body temperature need to be kept at 37°C?
The bodies enzymes work best at this temperature.
12
What is the job of enzymes?
To control chemical reactions in the body.
13
