Answer: Liver
Explanation:
The hepatic portal system of liver connects the capillaries of the gastrointestinal tract to the liver. The nutrient rich blood from the gastrointestinal tract reaches the liver.
The blood that is returned back to the heart is first bought to liver and then it is returned back to the heart.
From the liver after processing the blood goes into heart for further processing.
Hence, the correct answer is option d
Answer: The population will evolve, leaving only those genetically equipped to deal with low oxygen levels. brainliest
Explanation:
An area in the South region Babylonian in present - day Iraq
The chief City of ancient Mesopotamia and capital of the ancient kingdom of Babylonia