the size limits the ammount of blood that get to various organs or parts to the body so there size is good a regulating how much O2 they absorb as in the lungs or how mych blood flows to a certain place depending on need. need for blood and its components, need for body heat or lack there of. are a few
Blood capillaries
Glomerulus- tiny ball of capillaries(microscopic blood vessels) in the kidney.
The function of blood capillaries is to provide cellular, or tissue, respiration, provide nutrients and remove waste products. They are the tiny blood vessels that are between the venules and arterioles and the interstitial space between cells.
The tiny tubes that carry blood are the capillaries. Capillaries connect arteries and veins.
Capillaries
Capillaries.
capillaries
There are three types of blood vessels; arteries, veins, and capillaries. Capillaries are tiny blood vessels.
Capillaries are the tiniest of the blood vessels. They connect arteries and veins.
Capillaries.
glomerulus
Tiny blood vessels are called capillaries. They have thin walls that allow for the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues.