https://en.wikipedia.org/wiki/Capillary

A capillary is a small blood vessel from 5 to 10 micrometres (µm) in diameter, and having a wall .... Capillary blood sampling can be used to test for, for example, blood glucose (such as in blood glucose monitoring), hemoglobin, pH and lactate .

https://www.verywellhealth.com/what-are-capillaries-2249069

What are capillaries and what is their structure and function in the lungs and tissues? Learn about capillary microcirculation and fluid exchange.

https://www.histology.leeds.ac.uk/circulatory/capillaries.php

Capillaries are small, normally around 3-4µm, but some capillaries can be 30-40 µm in diameter. The largest capillaries are found in the liver. (capillar comes ...

https://courses.lumenlearning.com/boundless-ap/chapter/arteries/

The aorta is so thick that it requires its own capillary network to supply it with ... that supplies oxygenated blood to the spleen, is an example of a muscular artery.

https://www1.udel.edu/biology/Wags/histopage/vascularmodelingpage/circsystempage/capillaries/capillaries.html

Capillaries are the smallest of blood vessels. Their walls consist of a single layer of endothelial cells and the smallest have a single endothelial cell wrapped ...

https://www.khanacademy.org/science/health-and-medicine/circulatory-system/blood-vessels/v/three-types-of-capillaries

Where would you find each of these 3 types of capillaries and why would they be ... I can only mention one example for each, but maybe it'll be of interest.

https://www.britannica.com/science/capillary

Capillary: Capillary, in human physiology, any of the minute blood vessels that form networks throughout the bodily tissues; it is through the capillaries that ...

https://study.com/academy/lesson/capillaries-function-definition-quiz.html

Sep 7, 2015 ... Capillaries are very thin blood vessels that were first discovered in frog lungs in 1661. They bring nutrients and oxygen to tissues and remove...

https://www.yourdictionary.com/capillary

A tiny blood vessel in your body that connects your smallest arteries (your arterioles) to your smallest veins (your venules) is an example of a capillary.

https://medlineplus.gov/ency/article/003427.htm

Apr 24, 2017 ... A capillary sample is a blood sample collected by pricking the skin. Capillaries are tiny blood vessels near the surface of the skin.