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Veins are blood vessels that carry blood back from the cells to the heart. The pressure is rather low and the blood is moving slower than when the blood first leaves the heart.

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12y ago

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How fast does blood travel through the aorta?

10 mph


Do the veins rely on any other body part to work?

yes. they are situated close to muscles, when the muscles contract and relax this causes the blood to flow through them. blood is low pressure through veins therefore does not move fast, it relies on the muscle movement to move the blood through them. the valves prevent backflow of the blood.


How fast does blood travel through the human body?

Blood travels through the human body at an average speed of about 3 to 4 miles per hour.


Why veins have valves and arteries don't?

Arteries do not have valves because the heart provides the pressure needed to send blood through the system. Veins have valves because venous pressure is often not great enough (as the blood must overcome gravity and other forces) to return the blood to the heart.


How fast does blood travel?

Blood travels at three feet per second when it leaves the heart, but it slows down as it reaches smaller arteries and capillaries. Blood takes one minute to travel through the body.


How fast do red blood cells travel?

325mph


How fast does blood travel through the body and what factors can affect its speed?

Blood travels through the body at an average speed of about 3-4 miles per hour. Factors that can affect its speed include the diameter of blood vessels, blood pressure, and the viscosity of the blood.


Why do veins have low blood pressure?

Fish have one circuit and two heart chambers in their circulatory system. Blood collects in the atrium and moves to the ventricle where it is pumped first to the gills to collect oxygen, then to the body to deliver the oxygen to tissues. Since the blood does not return to the heart after moving through the gills, it has low pressure as it moves through the body.


Where does sound travel fast through?

Oxygen


Is the blood flowing through capillaries going fast or slow?

Fast


How does the blood pumped from the heart to the rest of the body and back again?

The heart sends deoxygenated blood to the lungs, via the pulmonary arteries - thus this system is called the pulmonary circuit De-oxygenated blood flows from right ventricle of heart to lungs through two pulmonary arteries for oxygenation. After oxygenation the blood now travels through the pulmonary veins to left auricle of heart. Two pulmonary veins from each lung reach the heart making a total of four pulmonary veins. This circulation of blood to and from lungs is called pulmonary circulation. The pulmonary vein is thus the only vein which carries oxygenated blood and pulmonary artery in the same way the only artery to carry deoxygenated blood.


What material does sound travel fast through?

Solids