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Anatomy of blood ves
anatomy of blood vessels
| Question | Answer |
|---|---|
| VEINS | RETURNS BLOOD TO THE HEART, HAS ONE WAY VALVES, THEY HAVE LUMENS |
| TUNICA EXTERNA | 3RD LAYER, OUTERMOST LAYER OF THE VESSEL, MADE UP OF THICK, FIBEROUS TISSUES THAT HOLDS EVERYTHING TOGETHER |
| WHAT IS THE BIGGEST FUNCTION OF THE TUNICA EXTERNA? | FOR PROTECTION, A SUPPORATIVE FUNCTION |
| TUNICA MEDIA | 2ND LAYER, MADE OF SMOOTH MUSCLE, EXTRA THICKNESS |
| WHAT DOES THE TUNICA MEDIA ALLOW FOR? | ALLOWS FOR DIALTION AND CONSTRICTION |
| WHAT IS THE TUNIA MEDIA CONTROLLED BY? | BY THE SYMPATHETIC NERVOUS SYSTEM, WHICH IS INVOLUNTARY |
| WHAT IS THE TUNICA INTIMA | 1ST LAYER, INTERMOST LAYER, MADE UP OF SINGLE LAYER OF ENDOTHELIUM CELLS |
| WHAT IS UNDERNEATH THE ENDOTHELIUM CELLS | THIN LAYER OF CONNECTIVE TISSUES TO HOLD ENDOTHELIOS CELLS TOGETHER |
| WHAT ARE CAPILLARIES | SITE OF GAS AND NUTRIENTS EXCHANGE, GAS EXCHANGE BY DIFFUSION( PASSIVE PROCESS REQUIRES NO ENERGY) |
| SKELETAL MUSCLE PUMP | 3RD MODIFICATION, REFERS TO SQUEEZING VIENS FOR THE RETURN OF BLOOD, MILKENING ACTION |
| ARTERIES | FEEDS, SENDS BLOOD TO THE AREA |