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 ...

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 ...

"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 ...

“Red blood cells also absorb a lot of light, and we found that the frog can actually hide them ... 96.6 percent less oxygenated hemoglobin in circulation than when they were active.

Frog Pose can help alleviate tension and pain in the lumbar region. 5. Enhances Reproductive Health: This pose is believed to improve blood circulation to the pelvic area, which may benefit ...