5.2 water Overview Flashcards
Water is a _____ molecule
polar
What are the differences between hydrophilic and hydrophobic molecules?
hydrophilic - Polar molecules attracted to water
hydrophobic - Nonpolar molecules not attracted to water
H2O has a triangular structure because…
The electron organization makes it so the O atom is slightly negative and H atoms are slightly positive.
Why is water a polar molecule? Why is this important?
Because if it’s triangular structure.
It’s attracted to other water molecules
The human body is __% water. Where is the water stored?
60-70
2/3 found within cells, 1/3 found outside of cells in blood, space between cells, etc
What is intracellular and extracellular water?
Water found within cells and water found outside of cells.
What is Osmosis?
The movement of water towards charged particles to even out concentration differences
What is blood pressure?
The force that pushes water out of blood and into the extracellular space.
Things in blood such as _______ ______ pull water into the blood out of the extracellular space.
charged proteins
Water found in our cells are _____ there
stuck
Cytoplasm is made up of __% water
80
Where is most extracellular water found?
Within the blood
