Question: Complete each sentence by selecting the proper term from each drop-down.In the systemic circuit, the ]is the first vessel blood enters upon exiting the heart.The expand and recoil with every heart beat due to elastic tissue in their tunica nLeading into capillary beds, (Click to select) are extremely thin and contain only a few layers of srThe sites of gas More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.