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Veins

Veins are thin blood vessels that carry blood from various body parts to the heart. These have valves in them to prevent back flow of blood.

2,123 Questions

Which areas receives blood directly from the pulmonary veins?

Blood from the pulmonary veins enters the left atrium, is then pumped to the left ventricle, and then to the rest of the body through the aorta.

What are the four chambers of the human heart?

The four chambers of the heart
  1. Left atrium
  2. Right atrium
  3. Left ventricle
  4. Right ventricle

See related link below for a diagram.
Left Atrium -- upper -- receives blood from the pulmonary veins

Right Atrium -- upper -- receives blood from the venae cavae and ry sinus

Left Ventricle -- lower -- receives arterial blood from the left atrium and pumps it to the aorta

Right Ventricle -- lower -- receives venous blood from the right atrium and pumps it to the pulmonary trunk for oxygenation.

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

How does blood move in veins?

Veins!!!!! When the muscles outside the veins move, they squeeze the veins. This pushes the BLOOD towards the heart because one-way valves prevent blood from flowing

How does the arteries and veins in the heart become blocked?

Cholesterol and bacteria form plaque on the inside wall (called tunica intima) of veins and arteries. This can make the systemic pressure rise, affecting blood pressure.

Does the pulmonary vein carry blood away from the heart?

Yes that is correct.

The Pulmonary Vein, though carries blood from the lungs to the heart.

Is the vena cava an artery or a vein?

As all artery's (apart from the pulmonary) carry oxygenated blood and the vena cava does not, i would say that the vena cava is a vien

What contributes to the formation of the popliteal vein?

The popliteal vein carries blood from the knee to the thigh and calf muscles and ultimately to the heart. The vein is formed from the merging of the two posterior tibial veins and ends as it merges in to the femoral vein.

Are veins tissues?

No, they are involved in the Circulatory System which is responsible for pumping and channelling blood to and from the body and lungs with heart, blood and blood vessels.

no veins are not considered an organ because they are a grouping of different tissues like a organ.

What type of blood gets carried by the pulmonary artey?

The pulmonary artery carries blood away from the heart and it is low in oxygen.

What are the smallest veins?

cappillaries

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The smallest veins in the body are the venules. Capillaries join venules and arterioles (the smallest arteries) together. Arteries carry the blood from the heart around the whole body; while veins carry the blood back to the heart. They are joined by the capillaries, where the most important actions happen.

More information in related links.

Where does renal artery come from?

Renal arteries branch off the abdominal aorta.

What causes veins to swell after Shooting meth?

It could be that you missed or possibly allergic to something cut in your dope. Sometimes I get a lump if I go through the vein. It's always good to register by pulling back on the rig until you see a little blood inside, loosen your tourniquet, and then shoot.

Does veins or arteries have oxygen?

More, not less. Oxygen is moved into the arteries by the lungs and pumpled by the heart through the body. As the cells use the arterial oxygen they create carbon dioxide as a byproduct of metabolism. This waste is sent to the veins where the heart pumps it back to the lungs to be exhaled with the breath.

How do you lymphatic vessels and veins differ in structure?

Lymphatics resemble veins in structure but have thinner walls and more valves.

Which term means inflammation of a viens?

The term that means inflammation of a vien is phlebitis. And that does not indicate whether it is infected or not, it just means that it is red and swollen, which can happen for different reasons.

A leaf whose veins branch out in all directions has what type of veins?

Branching veins mean that they expand over the area of a leaf. All leaves tend to have branching veins, with few exceptions.

How are veins of plants similar to the veins in a humans body?

The vein of a plant and human are alike because each one carries either blood or nutrients to the main part of either the human or plants body.

What vein goes tO the heart?

All veins carry blood towards the heart. The ones that are attached to the heart are the superior and inferior vena cavae.

What is a mesocaval shunt?

Portal vein bypass, also called portacaval shunting.In portacaval shunting, blood from the portal vein is diverted into the inferior vena cava (one of the main veins leading back to the heart). This is the most common type of bypass.