Yes, if they didn't there would be no way to get the blood to and form the brain
Pulmonary veins
There are four main types of veins that pigs and humans have in common. These include the pulmonary, systemic, deep, and superficial veins.
Yes you do 10 infact
posibly, depending on the circumstances.
The brachial veins of the pig differ from those of humans because of the location. A pig's brachial veins are on the same path as their axillary veins directly to their forearms. Human's brachial veins are on one side of the brachial artery and generally join the axillary vein near the bottom of the Subscapularis.
yes. all living animals and humans have veins. how else would their blood get around? by swimming?
No. There are structures in plants that are called veins, but they work considerably differently from those in humans.
yes areteries and veins
They both carry, or transport blood or nutrients to where the body or plant needs.
The valves in the veins
Frogs have circulatory systems that are very similar to that of humans so veins are used for the samepurposes and are needed anywhere where blood circulation is required.
Varicose vein is a distended vein (blood vessel)..Veins can get distended in many conditions. It can be physiological (normal) or pathological (not normal). Varicose veins are pathological.Varicose veins are distended and mostly tortuous veins, occur mainly due to valvular incompetence or due to obstruction in deep veins.Gravity and Erect posture of humans contribute to the varicose veins.