<span><span>-no its too much salt can reduce in swelling involving the leg, ankle, or foot can cause swelling.Swelling may also occur after ... In these conditions, there is too much fluid in the body Follow a low-salt diet, which may reduce fluid buildup and swelling.</span></span><span><span>
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The answer is True, you don't want the blood to go the opposite way<span />
Try to incorporate all of these at the same time. I think that would be a good mix for all of your students. It also depends on what age your students are. If they are younger they may not be able to understand things that are too hard, so don't be too hard on them either.
Vegetarians might eat tofu to increase the amount of protein in their diet.
I hope this helped!