The thick layer of a vein is made of collagen, wrapped in bands of smooth muscle while the interior is lined with endothelial cells called intima.
Because the veins in your foot are not as deep as other veins in your body are.
veins come with age as your skin thins out.
veins
The veins that come outside the rectum primarily include the hemorrhoidal veins, which are divided into three main groups: the superior, middle, and inferior hemorrhoidal veins. The superior hemorrhoidal vein drains into the inferior mesenteric vein, while the middle and inferior hemorrhoidal veins drain into the internal and external iliac veins, respectively. These veins can become swollen or engorged, leading to conditions such as hemorrhoids.
Yes. Veins are the paths in which your blood come back to your heart. Because gravity naturally acts against the flow in veins, they have multiple "one-way valve" mechanisms inside them.
By stale I'm guessing you mean 'without oxygen'. The exception to "stale" veins are the Pulmonary Veins. They are veins because they lead back to the heart, but they come from the lungs filled with oxygen.
Mostly veins or tiny artery's. If you cut an artery you will have a pulsating bleeding
veins
your heart!your attiliries carry blood from the heart and your veins carry blood to your heart because they ran out of "food"
"Rainbow Veins" is a song from Owl City's 2008 album, Maybe I'm Dreaming.
Veins come up everywhere in your body. They are normally more visible when the vein has dilated. When your veins dilate your Blood pressure drops and heat loss increases.
Depends, how deep. On the skin surface you are looking at capillaries and small veins. Past the skin, you are looking at bigger veins and arteries.