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>
Inca are the people who lived in peru, I think. Hope, I'm right
Answer:
the Declaration of Independence
Explanation:
thats easy thats the start of the United States its our foundation of the country
Some ofthose harmful effects are:
-It makes us refuse to acknowledge other truth beside our religion. This could make us overlook scientific evidence because we're too afraid to become a sinner according to our religion
- If religious enthusiasm exist between two different groups of religion, it often end up in violence in order to proof who are the one that has better beliefs