What is supposed to be the question here?
Answer:
A. Natural, chemical, and biological sources
Explanation:
I calculated it logically
Answer:
Omg tysm have a great day!
Answer:
FALSE
Explanation:
The circulatory system of a fetus consists of three shunts that are responsible for diverting the blood away from the partially functioning and undeveloped organs. The three shunts are ductus venosus, ductus arteriosus and foramen ovale.
The ductus arteriosus shunts the blood from pulmonary artery directly to aorta and bypasses the non-functioning lungs.
Whereas, the ductus venosus shunts the blood from the umbilical vein directly to inferior vena cava and bypasses the non-functioning liver.
Answer:
The vaccine produced by the US biotech firm, based in Massachusetts
