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.
A) gravitropism is how they "know"
The liver is the...................... gland in the body.
Answer: The liver is the<u> largest</u>
gland in the body.