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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
How might a pregnant woman's use of nicotine affect her child?
Nicotine constricts blood vessels and thus reduces blood flow with oxygen and nutrients to placenta and fetus.
Do capillaries have valves to regulate blood flow?
Capillaries do not have valves to regulate blood flow. Veins are the vessel of the circulatory system that have veins to regulate blood flow.
Why does blood move faster through your capillaries?
Blood does not move faster through the capillaries. Blood flow is slowest in the capillaries.
From the capillaries blood flows into?
From the capillaries, blood will flow into the veins and pump the un-oxygenated blood back to the heart.
Arterioles flow into what blood vessel?
Capillaries
Regulate blood flow to the capillaries?
albumin
Where does the blood flow when it leaves the capillaries?
venuoles
Where the velocity of blood flow is the lowest?
capillaries!
A vessel that carries blood from capillaries to a vein?
The capillaries flow from an artery to a vein.
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.
Resistance to blood flow depends mainly on?
Resistance to blood flow depends mainly on the diameter of blood vessels and the viscosity of blood. Smaller vessel diameter and higher blood viscosity lead to increased resistance, which can affect blood pressure and flow rates.
