The ductus arteriousus is a blood vessel that connects the pulmonary artery to the descending aorta. Otherwise known as the ductus Botalli, this structure pumps blood into the fetus' non-functioning lungs from the right ventricle. This blood vessel will close at birth and becomes the ligamentum arteriousum.
It suggests that the bone will have equal strength in all directions.
Answer:
you won't find the nucleus in prokaryotic cells
The correct answer would be "Density is the amount of matter in a certain volume"
