Trusler’s rule for pulmonary artery banding A method that gives guidance as to the correct tightness of the band; the degree of banding for a complex congenital cardiac anomaly with bidirectional shunting less than that for simple ones...
Geological periods is a study guide that cites the different geological periods on Earth's timeline. Each has a brief ov..
Proteins have a crucial role in various biological activities. Get to know how proteins are able to perform as enzymes, ..
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..
Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..
Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..
Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..
