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Class notes

Biology - Substance Transport

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My short notes for our biology class. It's about substance transport and its two types.

Institution
Senior / 12th Grade
Course
Biology








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Institution
Senior / 12th grade
Course
Biology
School year
4

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Uploaded on
December 26, 2025
Number of pages
4
Written in
2025/2026
Type
Class notes
Professor(s)
Anonymous
Contains
All classes

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🚗
LESSON 3: Substance Transport
Created @May 15, 2025 2:09 PM

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HOMEOSTASIS
Is the body’s self-regulating system to keep things balanced and working
efficiently.

It refers to the body’s ability to maintain a stable internal environment despite
external changes, ensuring optimal conditions for survival and function. This
involves various processes like regulating body temperature, fluid balance,
and blood glucose levels.



CELL MEMBRANE
The cell membrane is primarily responsible for keeping homeostasis at the
cellular level.

All types of cells have a plasma membrane that separates their contents from
the outside environment. Cell membrane’s function is to regulate what enters
and exits the cell.




LESSON 3: Substance Transport 1
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