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What is chemistry?
the basis for homeostasis
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Homeostasis is...
the balance between physical and emotional well being.
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Physics is...
the science of matter.
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What is matter?
anything that has weight and occupies space.
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What is an element?
pure, simple element that cannot be broken down.
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What is an atom?
smallest part of an element; building blocks of body
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What is an atom composed of?
- electron (-)
- proton (+)
- neutron (no charge)
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Compounds...
made up of two or more elements.
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Mixture...
two or more substances that have been mixed together w/o forming a new compound. (Can be separated; don't mix chemically) ie, blood is a mixture.
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There's only two changes that go on in our body:
physical and emotional.
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Chemical changes:
a release of heat.
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Physical changes:
outside appearance.
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Physiology
Study of how the body functions.
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Pathophysiology
study of disorders of functioning.
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Body cavity:
a space within the body that contains internal organs.
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Diaphragm:
large muscle that separates the ventral cavities.
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metabolism:
the ability to process, obtain energy from, and create new products using the chemicals found in foods.
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Anabolism:
the building up, assimilation, or conversion of ingested substances.
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catabolism
breaking down, disingrating, or tearing substances into simpler substances.
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Protoplasm:
all parts that make up the cell.
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cytoplasm:
area of the cell not located in the nucleus.
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