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Title: Water, Electrolyte & pH
Description: Notes on water, electrolyte and pH from an Anatomy and Physiology module.
Description: Notes on water, electrolyte and pH from an Anatomy and Physiology module.
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Water, Electrolyte & pH
Objectives
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How much of the total body weight is expected to be body fluids
...
List functions of water
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Define an alkali
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A typical adult body’s weight consists of approximately 60-70% of fluid
...
The water content of the body changes depending on the sex, the body fat and the
age of a person
...
- An effective lubricant e
...
eye/eyelids, organ movement
...
- Used to breakdown larger molecules (hydrolysis)
A higher percentage of body fluid results in fast transmission of responses
...
Males tend to have a higher percentage of water than females due to hormones
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Water is lost as the body ages
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- The amount of ions present in body fluids can provide an indication of a person’s
health
...
Acid-Base Concentration (pH)
pH = how much hydrogen is in bodily fluids
...
99
Basic: pH 7
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00
Acidic solutions have a higher hydrogen concentration and have a lower pH
...
The closer to pH 0, the higher the hydrogen content = acidosis = depression of the
nervous system
...
**
pH 7
...
45 = pH of the human body
Small fluctuations in pH can inactivate complex molecules such as proteins and
nucleic acids, which are essential for normal structure and function of cells
...
0 – 7
...
**
Three systems help to regulate and maintain pH levels in the body: **
- Buffer systems
- Respiratory system
- Renal system
Title: Water, Electrolyte & pH
Description: Notes on water, electrolyte and pH from an Anatomy and Physiology module.
Description: Notes on water, electrolyte and pH from an Anatomy and Physiology module.