Structural similarities between artries and veins are
1) The walls of arteries and veins both contain collagen which makes them strong and durable.
2) They both contain elastic fibres which allow them to stretch and recoil.
3) Their walls contain smooth muscles that enable them to constrict and dilate.
4) They are both three - layered.
The petiole is the delivery pipeline between plant stem and leaf vein.
Vein minerals can contain deposits of metals and other minerals, and occur in fissures or cracks of rock.
Metal deposits that occur in the cracks of rocks.
Vein minerals are those that form in fissures in the existing rock, either thru deposition by mineral saturated hydrothermal fluids, or injection of magma and subsequent cooling.
In hog slaughter, the animals are bled after stunning by severing a large vein
arteries are thicker then veins
one is vein one is artery
both are blood ways
Superficial veins, such as the cephalic vein, the basilic vein, and the great saphenous vein, have names that do not correlate to arteries.
The pulmonary circuit.
arteries
the veins are narrower and the arteries are thicker because the arteries should have to withstand a great force
the pulmonary vein?
arteries
Arteries (except the pulmonary artery) and one vein the pulmonary vein.
segmental
arteries 've short lumen where as veins 've large lumen.