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Blood pressure is normally controlled by varying the calibre of what?
Blood pressure is normally controlled by varying the caliber of the arteries. When exercising or doing any strenuous activity, the amount of blood pumped out of the heart increases, as the heart rate increases. To compensate for this extra blood, and to keep blood pressure in the normal range, the arteries widen.
What is the lowest pressure exerted by blood in your arteries is your- blood pressure?
The lowest pressure exerted by blood in your arteries is your diastolic blood pressure.
Where is blood pressure is the greatest?
in the arteries
Blood pressure is higher in veins than arteries?
No, pressure is higher in the arteries.
Why do arteries have thicker walls then veins?
Because arteries are narrower, thus increasing the pressure in the arteries. So you need thicker walls to contain the blood under pressure.
What blood vessel carries blood at high pressure and why?
Arteries carry blood at high pressure, simply because they are linked directly to the heart and lungs.
In an orbiting space station would the blood pressure in major arteries in the leg ever be greater than the blood pressure in major arteries in neck?
yes the blood pressure in major arteries in the leg is greater than the blood pressure in arteries in neck during orbiting in an orbiting space station.
What is the blood pressure when blood leaves the small arteries and enters the capillaries?
The blood pressure is usually high when blood leaves the small arteries and enters the capillaries.
What is the pressure when the blood leaves the small arteries and enters the Capillaries?
The blood pressure is usually high when blood leaves the small arteries and enters the capillaries.
How would relaxing the smooth muscles in arteries affect blood pressure?
Blood pressure would decrease
Do arteries have low pressure?
No, arteries have high pressure as they carry blood from the heart to the rest of the body.
What is your blood pressure?
It is a measure of the pressure of the blood in your arteries at two stages of the heartbeat.
