The muscles of the vein lumen are not very thick because the pressure is low.
Los músculos del lumen de la vena no son muy gruesos porque la presión es baja.
| Front | Why are the muscles of the vein lumen not very thick? |
|---|---|
| Back | The pressure is low. |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Capillary walls cell thick decrease distance diffusion
Previous card: Vein lumen large reduce friction blood walls
Up to card list: IGCSE Biology Summary