Identify the function of the labeled structures. A:
B:
C:
D:
connects arteries and veins
brings blood back to the heart
carries blood away from the heart
pushes blood into the arteries

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.

my answer is the prothallium.brainliest