A-Level Biology OCR A
Tissue Blood Production Fluid Capillary End Pressure Lymph
| Front |
Describe production of tissue fluid in a capillary bed and the possible routes it will take. |
| Back |
Production of tissue fluid:- Forms by ultrafiltration of blood plasma thru fenestration in capillary walls at the arterial end bc hydrostatic pressure > oncotic pressure
- 90% re enters blood by reapsorption at venous end
- 10% of tissue fluid is drains into system of blind ended lymph capillaries where it is called lymph thru which it eventually returns into blood into right & left subclavian veins
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A-Level Biology OCR A