Why we need a lymphatic system | Lymphatic system physiology | NCLEX-RN | Khan Academy
khanacademymedicine・8 minutes read
The cardiovascular system pumps blood to deliver oxygen and nutrients, with the lymphatic system collecting leaked fluid to maintain balance by returning it to blood circulation. High pressure in blood vessels forces fluid out, with some returning to the vessels while the rest is collected by lymphatic vessels and reintroduced into the bloodstream.
Insights
- The cardiovascular system, composed of the heart, blood vessels, and capillary beds, plays a crucial role in delivering oxygen and nutrients to cells throughout the body.
- The lymphatic system acts as a vital counterpart to the cardiovascular system, collecting leaked fluid from blood vessels and ensuring a sustainable balance by returning it to the blood circulation.
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Recent questions
What is the cardiovascular system?
It consists of the heart, blood vessels, and capillary beds, circulating blood.
How do blood vessels in capillary beds function?
They have increased surface area for efficient nutrient exchange.
What is the role of the lymphatic system?
It collects leaked fluid and returns it to circulation.
Why does fluid leak out of capillaries?
High pressure forces fluid out, passing between cells.
How do lymph vessels function?
They collect lymph and reintroduce it into circulation.
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