capillaries

Noun

The smallest blood vessels in the body that connect arteries and veins.

ریشه

From the Latin word 'capillaris', meaning 'hair-like', due to their thin and narrow appearance.

مثال

• Capillaries play a crucial role in the exchange of oxygen and nutrients between blood and tissues.
• The walls of capillaries are only one cell thick.
• Capillaries can be found throughout the body, including the lungs and muscles.