Capillaries

He had many capillaries burst in his legs.

Lungs, heart, veins, arteries and capillaries form the cardiovascular system.

Arteries, veins, and capillaries are the three main types of blood vessel.

Venules and arterioles are small diameter blood vessels that connect capillaries to veins and arteries.

According to the scientific report, published in the online journal Biofabrication, the printed skin has all the essential parts of the natural skin, such as the dermis (the layer of tissue that contains capillaries, nerve endings and other structures), the epidermis (the layer of cells atop the dermis), the stratum corneum (the horny outer layer), and even the collagen, which gives skin its elasticity and mechanical strength.

The circulatory system is like a water supply system that delivers blood instead of water, and arteries, veins, and capillaries are like pipes that allow it to flow.