dont be silly
Because their veins are more superficial or their skin is thinner.
Some people need more sleep than others because of their age and what they do.
Most people do, some more then others.
Some people need more sleep than others for several reasons. Some people are busier and need more sleep and some may need more sleep due to genetic reasons.
no Yes they are. Some are just more visible that others due to how close to the skin they are and the thickness of the fat layer. During puberty and breast development, the skin will become stretched and thinner and more transparent allowing some veins to stand out more. These should become less visible with time.
The jugular vein has a superficial and deep branch, the internal and external branches, respectively. Elevated pressure in the vessels can cause them to appear more distinct than usual. Some possible causes include straining for any reason, standing on your head or hanging upside down, and more serious causes including heart attacks, blood clots in the large veins in your chest, lung tumors, and congestive heart failure. Also, some people's veins are just more prominent than others'.
Because some people produce more oil in thier scalp.
Some people have different sense of comedy. some will think they are funny, ehile others will be more machure
Because they do.
Yes
Veins have ability to store blood but arteries not so they are more some for blood storage and some for blood transport to right arteria.
As the girth of the mare expands some veins become more obvious.