B7: Tissue Fluid and the Skeletal System

Tissue Fluid and the Skeletal System

Arteries branch into Capillaries (Really Tiny Blood Vessels)

Capillaries: Permeable Walls, Substances can Difuse in and out. - Networks in Tissue are called Capillary Beds

Blood passes through Capillary Beds and Small Molecules (Water, Glucose, Oxygen) is forced out to form Tissue Fluid, which surronds Cells. They can then defuse out of Tissue Fluid into Cells.

Waste Chemicals (CO2, Urea) diffuse out of Cells into Tissue Fluid then to Capillaries.

Tissue Fluid: Allows Cells to get Substances needed and rid of Waste…