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.
Spencer is a village located in the northwestern part of the Town of Spencer in Marathon County, Wisconsin. It is part of the Wausau, Wisconsin Metropolitan Statistical Area. The population was 1,932 at the 2000 census. The village, which lies between two marshes (Spencer Marsh to the northwest and McMillan Marsh to the southeast) was founded in 1874 at a branch on the Wisconsin Central Railway. Today it sits at the crossroads of Wisconsin Highway 13 and 98, as well as serving as the terminus of several Marathon County trunk highways.