Capillaries are tiny blood vessels connecting the small arteries (arterioles) to the small veins (venules). The blood vessels carry oxygen and nutrients to all the individual cells in the body.apillaries are the blood vessels that lead from the arterioles to the individual cells, and from the cells back to the venules. Capillaries have very thin walls with holes in them, so fluid and small molecules like sugar and waste can move in and out.
Wisconsin State Parks. The Ice Age Complex at Cross Plains is part of the National Ice Age Scientific Reserve. Located just west of Madison near the village of Cross Plains, this area contains an outstanding collection of glacial landforms, a gorge carved by meltwater and expansive views of both driftless and glaciated terrain.
The Rolling Plains. Lying west of the Cross Timbers, the Rolling Plains is the largest geographic section within the North Central Plains region. It is sometimes called the Lower Plains because of the higher Great Plains to the west. The Rolling Plains stretch for about 300 miles from the northernmost to the southernmost point, this geographic section is just under 200 miles across. The North Central Plains A Ranching and Farming Region The North Central Plains actually start in Canada and extend across the midsection of the United States before ending in Texas.