Separate plasma by centrifugation. Transfer the serum, plasma or whole blood to a plastic transport tube (see Pediatric Specimen Tubes below). To prevent injury and exposure to potentially infectious material, do not ship frozen serum, plasma, or whole blood received in glass tubes or SST (glass or plastic).
The capillaries are the smallest of the blood vessels and are part of the microcirculation. The capillaries have a width of a single cell in diameter to aid in the fast and easy diffusion of gases, sugars and nutrients to surrounding tissues.fter travelling from the aorta, blood travels through peripheral arteries into smaller arteries called arterioles, and eventually to capillaries. Arterioles help in regulating blood pressure by the variable contraction of the smooth muscle of their walls, and deliver blood to the capillaries.
exists and is an alternate of. Merge this question into. Split and merge into it. Answer by 1Jazz. Confidence votes 9.4K. The large central cavity of sponges is known as the spongocoel. The spongocoel is lined with choanocytes, which have flagella to push the water through-creating a current.mall pores of sponges are called ostia through which water enters while a large pore through which water exits is called osculum.