Science - Fluids Flashcards
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What is a fluid?
A fluid is something that flows, with no fixed shape.
What are the types of matter that can be classified as fluids?
Gasses and liquids
How much of the human body is water?
60-70% water
What are some common fluids in the human body?
oxygen, blood, sweat, saliva, urine, and stomach acids
How is oxygen used in the body?
Oxygen helps the body get energy from food.
How is blood used in the body?
It moves materials and waste in and out of the body.
How is sweat used in the human body?
It cools down the body
How is saliva used in the human body?
moistens food to make it easier to swallow
How is urine used in the human body?
It takes waste out of the body
How are stomach acids used in the human body?
They help the body digest food.
What are the three systems in your body that use fluids?
The circulatory system, the respiratory system and the urinary system.
What are some everyday examples of fluids?
Juices, water vapor, oil , lava, blood etc.
What are some everyday substances that do not classify as fluids?
clay, ice , sugar, muscles
What is another name for particle theory?
The kinetic theory of matter
What does the particle theory of matter explain?
The particle theory of matter explains why fluids behave the way they do.