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Blood flows slowly through capillaries. This speed allows for increased efficiency of diffusion of materials.
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The velocity of blood is slowest in the?
capillaries.
What blood vessel has the lowest velocity?
capillaries
Where the velocity of blood flow is the lowest?
capillaries!
Does velocity of blood decreases as blood flows from the aorta towards the capillaries?
Yes
What is the velocity of the blood as it flows through the capillaries?
The average velocity of the blood as it flows through a capillary is 0.00047 m/s.
Why does speed of blood flow in the capillaries change?
It is because the capillaries are conducting the gas exchange which will affect the rate of velocity
When is the speed of blood slowest in blood vessels?
Veins are where the blood flow is the slowest. Blood flow velocity decreases from the aorta to the arteries to capillaries.
The velocity of blood flow is?
slowest in the capillaries because the total cross-sectional area is the greatest
What is the relationship between cross sectional area of blood vessel and velocity of blood flow in that vessel?
Proceeding downstream from the aorta, branching of arterial vessels increases total cross-sectional area and thus results in diminished velocity of blood flow from the aorta to the capillaries. Velocity increases from the capillaries to the large veins with the confluence of vessels and the resulting decrease in total cross-sectional area. :)
The smallest and most numerous blood vessels in the human body?
The smallest blood vessels are the capillaries.
What happens when blood reaches tissue that doesnt have enough oxygen?
Once oxygenated blood reaches the capillaries, the velocity of the blood is very slow - which favours the exchange of oxygen. Oxygen therefore diffuses across the walls of the capillaries into the tissues that need it.
What type of blood do capillaries have?
Capillaries contain oxygenated blood.
