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Why are valves more common in the veins of the limbs than in the abdomen neck and thorax?
Valves are more common in the veins of the limbs because they help prevent the backflow of blood due to gravity, especially when standing upright. In the abdomen, neck, and thorax, the flow of blood is aided by other mechanisms such as muscle contractions and breathing, reducing the need for valves in those areas.
How does the blood circulate to the head and neck?
The common carotid arteries take blood to the head and the neck and the jugular veins take the blood back down.
What are the large veins on either side of the neck that caries carbon dioxide-laden blood from the head to the heart called?
Jugular veins
What is the function of the external and internal jugular veins?
the jugulars carry blood from the head and neck to the heart. Internal refers to the location in which it sits in relation to the other jugular veins
What is the function of the jugular veins?
To drain blood from the cranium into the subclavian veins into the superior vena cava into the right atrium of the heart.
Where is the jugular vein located on the wrist?
The jugular vein is not located on the wrist; it is primarily found in the neck. There are two main jugular veins on each side of the neck: the internal and external jugular veins, which drain blood from the head and neck back to the heart. If you're looking for major veins in the wrist, you would be referring to the radial and ulnar veins.
Where would you find the jugular vein?
The jugular veins are found in your neck, they carry deoxygenated blood from the head to the heart.
What does a giraffe's long neck make it prone to?
eretion problems from lack of blood flow form a Giraffes circualtory sustem from he Pulmonsry veins
Can you describe 'veins in neck bulging'?
Bulging veins in the neck may be a sign of increased pressure within the veins, such as during physical exertion or due to blocked blood flow. It can also be a symptom of an underlying medical condition like thyroid disorders or heart problems. If you notice persistent bulging veins in your neck, it's important to consult a healthcare provider for a proper evaluation.
What area do the right and left external jugular veins drain?
posterior head (musculature and skin of the scalp and face)
Venous drainage of head and neck?
Facial,occipital,superficial temporal,retromandibular,posterior auricular,internal jugular,external jugular veins
What are the two main veins in the neck returning blood from the brain to the heart?
The jugular veins are the two main veins in the neck returning blood from the brain to the heart. Their arterial counterparts are the carotid arteries.
