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Blood Vessels

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Human Anatomy Blood Vessels

The body's blood vessel network stretches over 60,000 miles, enough to circle the Earth more than twice

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Which feature of blood vessels allows capillaries to effectively exchange nutrients and waste with tissues?

Their thick muscular walls help pump blood through tissues Valves in capillaries prevent blood from flowing backward during exchange Their thin walls and small diameter facilitate exchange at the cellular level

Nellieger

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Human Anatomy Blood Vessels

Blood vessels balance life’s essentials while navigating the body’s toughest challenges

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What is the primary trade-off for tissues like cartilage and the cornea being avascular?

They rely on diffusion for nutrients, limiting thickness and healing ability. They receive nutrients through an extensive network of tiny blood vessels. They do not require oxygen or nutrients due to their unique cellular makeup.

Steeeve

Steeeve is an IT guru

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Human Anatomy Blood Vessels

Blood vessels balance strength and flexibility to sustain life’s flow and face disease risks

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What is the primary trade-off that blood vessels must manage to effectively transport blood throughout the body?

Maximizing blood volume capacity without regard to pressure changes Ensuring all tissues have direct blood vessel supply regardless of function Balancing structural strength to withstand pressure with flexibility to regulate blood flow

Steeeve

Steeeve is an IT guru

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Human Anatomy Blood Vessels

Blood vessels form a dynamic network that adapts to keep every cell alive

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What is a key trade-off in tissues like the cornea being avascular?

They have blood vessels but use them only during injury repair. They have no need for nutrients or oxygen, so blood vessels are unnecessary. They avoid blood vessels to maintain transparency but rely on diffusion for nutrients.

Bonbo

Me as you

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Human Anatomy Blood Vessels

Blood vessels dynamically regulate blood flow and pressure to sustain life’s delicate balance

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What is the primary function of blood vessels in the body?

To produce blood cells within the circulatory system To serve as passive tubes without regulating blood flow or pressure To transport blood cells, nutrients, oxygen to tissues and remove waste products

Steeeve

Steeeve is an IT guru

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Human Anatomy Blood Vessels

Blood vessels form a vast network over 60,000 miles long, enough to circle the Earth more than twice

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What is the primary function of blood vessels in the body?

To produce blood cells directly within the vessels To transport blood cells, oxygen, nutrients to tissues and remove waste products To store oxygen for long periods within the body

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