Water and nutrients are important to keep living things alive and healthy. Animals, including humans, get these from what they eat and drink, but how do the water and nutrients get transported around ...

This is a preview. Log in through your library . Abstract ABSTRACT Carbonic anhydrase activity in the extracellular fluid of lower vertebrates is considered to be minimal, either because of the ...

The metabolic activity of any tissue is limited by its blood supply; the more active any organ, the more blood it needs and the more extensive its vascularization. The changes in metabolic activity ...

One of the most important preconditions for the development of terrestrial vertebrates in the course of evolution was the formation of the two halves of the circulatory system. Aquatic ancestors ...

Scientists from Kaunas University of Technology (KTU), Lithuania, have developed a system for integrated post-stroke monitoring, which also concurrently measures pulse, heart activity, physical ...