Blood Vessels Flashcards
1
Q
Arteries
A
The arteries are the blood vessels that deliver oxygen-rich blood from the heart to the tissues of the body. Each artery is a muscular tube lined by smooth tissue and has three layers: The intima, the inner layer lined by a smooth tissue called endothelium.
2
Q
Veins
A
A vein is an elastic blood vessel that transports blood from various regions of the body to the heart. Veins can be categorized into different types.
3
Q
Capillaries
A
Capillary, in human physiology, any of the minute blood vessels that form networks throughout the bodily tissues; it is through the capillaries that oxygen, nutrients, and wastes are exchanged between the blood and the tissues.
