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>
because it used to transport people and goods.
Answer: The English acquired the secrets of chocolate from the Spanish through raids on Spanish ports.
Explanation:
Roberto was feeling miserable because he did not get much sleep last night. He was looking tired and messy.
He ran to meet Maria, his friend at the mall who also saw Roberto in such a pathetic condition and comment on his appearance that he seems to have been come out of the laundry basket just now.
Roberto's condition was such that it make him look very tired and untidy. Maria compares him to the clothes kept in the laundry basket which is filly wrinkled and out of shape, in very dilapidated condition.
But Roberto was hurt by Maria's comment on him. Maria used harsh words on him which he did not like. Though Maria finally told that she was joking with him but it left Roberto with feeling bad he considers Maria to be his friend and did not expect such harsh comments from her.
