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 ...

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 ...

According to the bivariate data analysis, among those who said that they had one circulatory disorder, 52.1 % were current smokers, i. e. these individuals still smoked after the circulatory disorder ...