They are called Alveoli.
sinusoids
the small intestine is lined with villi
Simple squamous epithilium
alveoli are lined with capillary endothellium which are opened in blood vessels
Organ Structure Larynx - made up of cartilage- contains the vocal cords; two highly elastic folds Trachea - a hollow tube surrounded by tough, flexible C-shaped cartilage rings- lined with cilia - lined with mucus secreting cells Lung - composed of the bronchi, bronchioles and alveoli
Blood cells do not normally pass from the glomerulus, which is a cluster of capillaries in the kidney, to Bowman's capsule, the structure surrounding the glomerulus. The capillaries in the glomerulus are lined with specialized cells that prevent the passage of blood cells into the urine-forming structures such as Bowman's capsule.
The respiratory tract is lined with ciliated epithelium.
Your fallopian tubes are lined with tiny hair-like structures called cilia which are constantly swaying back and forth to help guide the egg and push it along to the uterus :)
The pericardial sac is lined with a double-layered membrane called the serous pericardium. The inner layer is the visceral pericardium (or epicardium) which is in contact with the heart, and the outer layer is the parietal pericardium which is attached to the surrounding structures.
In an average person, all the blood vessels, veins, arteries, and capillaries lined up one to the other can go around the world at least twice.
The inside of the body is lined with a protective layer called the epithelium. This layer covers organs, blood vessels, and other internal structures to provide a barrier and regulate the exchange of substances between different body compartments.
Both the human and grasshopper respiratory systems have structures called trachea that are lined with epithelial cells.