The answer is that <span>healthy </span>legs<span> have </span>veins<span> with smooth, elastic walls that </span>are<span> perfectly designed to </span>adapt<span> to the changes in pressure within a </span>vein<span>. </span>Veins<span> have </span>valves<span> that keep blood moving in one direction: back toward the heart. As the </span>leg<span> muscles </span>are<span> activated, the </span>venous valves<span> open to </span>allow<span> one-way flow in the direction of the heart.</span>
The correct answer is read that Jaylen has Tourette’s and Asperger’s syndrome, as well as obsessive compulsive disorder, and I think it must be hard for him to have all those issues—but he also started Jaylen’s Challenge, which is against bullying.
Tourette's syndrome is a neuropsychiatric disorder characterized by multiple motor or vocal tics that persist for more than a year and usually settle in childhood. Most of the time, tics are of different types and vary over the course of a week or month to month.
Alaska is a us state which has 70n latitude and 150w longitude.
There was no unified state that could grow all parts of life equally so they had to depend on trade in order to get goods that they needed from each other since they couldn't develop all parts of production or manufacture. Ones would for example have a developed pottery industry while the others would have mastered making Olive oil so they would trade in order to get what they needed because they couldn't make it on their own.
