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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
Black bass can be caught in the Winter, summer, spring, or fall on topwater
Amphibians (and fish) = lungs filled by buccal pump (positive pressure) swallowing air Reptiles = lungs filled by suction pump system similar to mammals, but not as efficient since no diaphragm is present Bird Lungs Complicated air sac system (no gas exchange in air sacs) allows unidirectional(1-way) flow over lungs Gas exchange occurs in air capillaries that open to a tube (parabronchus) through which air flows in only one direction Blood flow in avian lung is via a crosscurrent mechanism relative to air flow This functions similar to a countercurrent system, and is more efficient for oxygenating blood than the bidirectional flow system of other Tetrapods This explains their success at high altitudes relative to mammals
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One or two darker, black-bass-oriented colors would have been welcome
Utility Cord: PMI 3mm Utility Cord $5.00 5
