Plasma; mainly water, proteins, amino acids, salts, enzymes, hormones, antibodies, urea, red and white blood cells, platelets. Regulates blood temp, transfers energy.
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Solvent properties of water
Chemicals dissolve easily in water, free to move so can react. Dissolved substances transported around organism. Ionic molecules dissolve easily. Neg ions attracted to pos end of water, pos ions to neg end of water. Ions become hydrated in solution.
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Continued
Polar molecules dissolve easily; hydrophilic. Substances go into solutions. Non-polar molecules do not dissolve; hydrophobic. Enable transport in blood.
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Thermal Properties
Heat capacity of water is very high. Large amount of energy required to break hydrogen bonds. Large input energy> small increase in temp. Avoid rapid changes in temp, maintain steady temp even when external temp varies considerably
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Hydrogen Bonding
Hydrogen end of water is positively charged, oxygen negatively. Water is a polar molecule. Positive end attracted to negative ends of surrounding molecules. This hydrogen bonding holds water molecules together.
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Other cards in this set
Card 2
Front
Chemicals dissolve easily in water, free to move so can react. Dissolved substances transported around organism. Ionic molecules dissolve easily. Neg ions attracted to pos end of water, pos ions to neg end of water. Ions become hydrated in solution.
Back
Solvent properties of water
Card 3
Front
Polar molecules dissolve easily; hydrophilic. Substances go into solutions. Non-polar molecules do not dissolve; hydrophobic. Enable transport in blood.
Back
Card 4
Front
Heat capacity of water is very high. Large amount of energy required to break hydrogen bonds. Large input energy> small increase in temp. Avoid rapid changes in temp, maintain steady temp even when external temp varies considerably
Back
Card 5
Front
Hydrogen end of water is positively charged, oxygen negatively. Water is a polar molecule. Positive end attracted to negative ends of surrounding molecules. This hydrogen bonding holds water molecules together.
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