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Why does a giraffe need special valves in the blood vessels that can close when it is getting a drink?
The blood pressure in the giraffe's body is very high so that blood pumps to the head but when it lowers the head to drink the pressure would be extreme and it would die with out the valves.
What else can I help you with?
Why does the giraffe need special valves in the blood vessels that can close when it is getting a drink?
The blood pressure in the giraffe's body is very high so that blood pumps to the head but when it lowers the head to drink the pressure would be extreme and it would die with out the valves.
What impact does the C.fetus subtype of the Campylobacter bacteria have on vessels and heart valves?
Infection of vessels and heart valves is a special characteristic of C. fetus.
Do capilliaries have valves?
Capillaries do not have valves. Veins are the blood vessels with valves.
Name blood vessels that contain valves?
Valves are in the veins.
Why would you stop getting erections at the age of 58?
The valves in the blood vessels which control penis erection quit working with age.
How many valves are there in artery?
Arteries are valve-less vessels, meaning there are no valves.
Do both arterial and venous vessels have valves?
No, only venous vessels have valves. Valves in veins help prevent the backflow of blood and aid in promoting blood flow back to the heart. Arterial vessels do not have valves because blood in arteries is under higher pressure and flows away from the heart.
Are valves found in all vessels?
passive
What blood vessels contain valves and why?
Only veins contain valves. The valves prevent the backward flow of blood.
What does Doppler echocardiography do?
Doppler echocardiography employs a special microphone that allows technicians to measure and analyze the direction and speed of blood flow through blood vessels and heart valves
Why do lymphatic vessels have valves?
They have valves so that they can move lymphatic fluid much the same as veins by skeletal muscle contraction.
What vessels transport blood toward the the heart and have valves?
veins
