Answer:
Capillaries
Step-by-step explanation:
Capillaries surround tissues and cells and help deliver blood, nutrients, and oxygen to cells throughout the body. They work in various different ways to support organs and the functioning of the vascular system.
Capillaries are Blood vessels that do not have the elastic tissue of other blood vessels.
The capillaries also connect the branches of arteries to the branches of veins.
Functions of capillaries:
Capillaries help the circulatory system by connecting arteries to veins:
- Arteries carry oxygen-rich blood from the heart to your organs whereas veins help the body remove low-oxygen blood and waste.
- Capillaries also support Bone marrow it enables new blood cells to enter our bloodstream.
- The liver is supported by capillaries as it removes defective red blood cells and bacteria.