Lymphatic drainage from a capillary bed to the venous circulation. Which of the following distinguishes lymphatic vessels from veins?
Lymphatic drainage from a capillary bed to the venous circulation.
lymphatics lack the three tunics present in veins.
lymphatics have valves, while veins do not.
lymphatics collect larger materials lymphatics transport fluids toward the heart.

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos