Answer:
Blood
vessels (arteries), skin
vessels (arteries), smooth muscular cells, regulate
Answer:
Yes. So are earthquakes and volcanoes.
Explanation:
Answer:
hope it helps..
Explanation:
During the third trimester, the fetus continues to grow in size and weight. The lungs are still maturing. The fetus starts to position itself head-down. By the end of the third trimester, the fetus is about 19 to 21 inches long and weighs about 6 to 9 pounds.