It occurs naturally and is developed by the body according to where the most blood is needed. One of the densest areas of capillaries are in our intestinal area.
Arteriole
Capillary density within tissues varies directly with tissues' rates and metabolism.
capillary
There's a greater capillary density in endurance athletes, due to the angiogenesis that occurs.Source: BIPN 108: Exercise Physiology, UCSD
Capillary density will drastically increases due to the functional properties of osmolality throughout the muscular skeletal system as attributed to the involved effects of homeostasis.
because of the gravity
One can increase capillary density in the body through regular aerobic exercise, such as running or cycling, which helps stimulate the growth of new capillaries. Additionally, maintaining a healthy diet rich in antioxidants and omega-3 fatty acids can also support capillary growth.
exchage of materials between blood and tissues occur in cappilaries.
yes
loop of Henley
Capillaries pick up carbon dioxide from the cells of the body and deliver oxygen.
bulk density depend on that material from which soil formed. so maximum bulk density depend on particle density of that mineral. Therefore,we can only tapped the soil upto perticle density. so maximum bulk density may be occur at equal to paricle density.