Both the ductus venosus and ductus arteriosus are adaptations of the fetal circulatory system designed to shunt blood away from the nonfunctioning lungs.
a. true
b. false

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:

i don't believe the ocean is purple, but it might once have been:

as for the sky, according to nasa:

"sunlight reaches earth's atmosphere and is scattered in all directions by all the gases and particles in the air. blue light is scattered more than the other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time."

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