Fluid Dynamics

Gender Water %
Solute & Solvent

Intracellular Fluid (ICF)
%
Made of
Location

Extracellular Fluid (ECF)
%
2 compartments and %
Internal and external link

Extracellular Fluid (ECF)
Changes
Movement
Gained and Lost

Fluid Movement
Forces moving between
ECF and ICF
Intravascular and Interstitial

Hydrostatic pressure

Capillaries = site of filtration

Filtration

Capillary bed
Consist of

Vascular Shunt

Structure of capillaries

The capillary wall is crossed by;

Structure of capillaries – Continuous capillaries

Continuous capillaries & the Blood Brain Barrier

Blood brain barrier
Able to pass

Blood brain barrier
unable to pass

Structure of capillaries - Fenestrated capillaries

Fenestrated capillaries

Structure of capillaries - Sinusoidal capillaries

Hydrostatic pressure pushes fluid through capillary walls to make

hydrostatic pressure

Osmosis

Osmosis; definitions

Tonicity
Isotonic
Hypertonic
Hypotonic

Osmotic pressure

Osmotic pressure cont.
Definition

How hydrostatic & osmotic
pressures cause fluids to shift
Blood
Interstitial

ECF Fluid movement summary

How hydrostatic & osmotic pressures cause fluids to shift

Adding & loosing water

Total body water

1L of water moves into all compartments

1L of water moves into all compartments
Symptoms

Homeostatic fluid control