Capillaries are very tiny blood vessels — so small that a single red blood cell can barely fit through them. They help to connect your arteries and veins in addition to facilitating the exchange of certain elements between your blood and tissues.
1. Capillaries are the thinnest of all blood vessels.
2. They are formed by the division and redivision of arteries.
3. The wall of a capillary is made of squamous epithelium.
4. This makes it permeable to water and many dissolved substances. Due to this ability respiratory gases, nutrients, excretory products can be exchanged between blood and the tissue.
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Capillaries are very tiny blood vessels — so small that a single red blood cell can barely fit through them. They help to connect your arteries and veins in addition to facilitating the exchange of certain elements between your blood and tissues.
Question :-
What are capillaries ?
Solution :-
1. Capillaries are the thinnest of all blood vessels.
2. They are formed by the division and redivision of arteries.
3. The wall of a capillary is made of squamous epithelium.
4. This makes it permeable to water and many dissolved substances. Due to this ability respiratory gases, nutrients, excretory products can be exchanged between blood and the tissue.
5. Capillaries reunite to form venules.