Blood Vessels

Blood Vessels

Blood vessels are part of the circulatory system, carrying oxygen, nutrients, and waste throughout the body. Arteries move blood away from the heart, veins return it, and capillaries exchange materials with cells. This network connects every cell and works with other systems, such ...

Blood vessels are like highways that help blood travel all around your body.

There are three main types: arteries, veins, and capillaries.

First are the arteries that carry oxygen-rich blood away from the heart. They have thick, elastic walls that withstand high pressure.

For example, the aorta is the largest artery, branching ...