Which of the following would increase the amount of oxygen diffusing from lungs to blood. The pancreas is a gland that produces both endocrine and exocrine hormones. If the body is overheated, it often leads to increased production of thyroxine.
Platelets are cell fragments responsible for blood clotting.
Compared to interstitial fluids, plasma is relatively higher in sodium concentration. Compared to interstitial fluids, intracellular fluids are relatively higher in potassium concentration. Single circulation systems on average have higher pressures than double circulation systems. A tracheal respiratory system is common in many aquatic species. Water and blood in fish gills typically flow in the same direction.