The size of the modern human adult brain is about 1350 cc.. 1,350 g. The mass of a newborn human brain is about 350-400g. The mass of an adult human brain is about 1,300 to 1,400 g. The brain makes up about two percent of the humans mass. Its average width is about 140 mm, average length is about 167 mm, and average height about 93 mm.
The Vietnam war was the longest war American had fought in. We got involved with the war in 1954 and it ended in 1973. 58,000 Americans were killed in the war and 2-3 mi â¦ llion Vietnamese were killed as well. 7 people found this useful.
Digital History. The Vietnam War was the longest war in American history and the most unpopular American war of the 20th century. It resulted in nearly 60,000 American deaths and an estimated 2 million Vietnamese deaths. It was the first war to come into American living rooms nightly, and the only conflict that ended in defeat for American arms.