MOST text-books of elementary zoology contain an account of the circulation of the frog. These accounts ... so that the so-called arterial blood, returning by the pulmonary veins, is mixed ...

which have a mirror-like exterior that helps the frog blend in. Dr. Taboada, a researcher at Duke University, said they suspected the blood would retreat to various organs when not in circulation.

Glassfrogs make themselves transparent while they rest by taking red blood cells from circulation and concealing ... were being stored in one of the frog's inner organs which are packaged in ...

As tiny glass frogs fall asleep for the day, they take almost 90 percent of their red blood cells out of circulation. The colorful cells cram into hideaway pockets inside the frog liver ...

By increasing blood flow to the pelvic region, Frog Pose can enhance circulation and potentially reduce symptoms associated with conditions like sciatica. Improved circulation can also promote ...

He placed them in a Petri dish and saw each frog's circulatory system through ... the vitreous amphibians release their red blood cells back into circulation. Taboada says the frogs "pack roughly ...

"We'd let the frog rest, then poke it a few times, and let it fall asleep again." Johnsen said. Following the hemoglobin revealed that glassfrogs pull 89% of their red blood cells from circulation ...

Imagine disliking winter so much that you appear to die when it begins, only to come back to life in the spring. That’s ...