Answer:
The liver have a hepatic portal vein and a hepatic vein for blood flow and transport of nutrients.
Explanation:
Hepatic portal vein is also known as portal vein that carries blood from the organs (gastrointestinal tract, pancreas and gallbladder) to the liver. The nutrients are also transfer by the hepatic portal vein.
Hepatic vein: This vein carry deoxygenated blood into the inferior vena cava from the liver. Total three hepatic veins brings deoxygenated blood from right, left and middle part of liver.
Immigration is the movement of individuals
Because it helps the environment strive and keep its self alive my controlling populations and bringing in new ones
Cancer cells are less likely than normal cells to undergo _apoptosis______, or programmed cell death.
Apoptosis is synonymous to programmed cell death
Explanation:
Programed cells death of the cell is required to maintain proper tissue homeostasis. Examples of when apoptosis is necessary are when a cell may have errors in its DNA replication process. Apoptosis ensures the cell does not continue dividing and generating cells with the error. Other forms of damage to a cell that is hard to repair also require that the cell undergo apoptosis.
In cancer cells, apoptosis pathway faulted and even when cells are required to undergo programmed cell death, such as in the case when lethal mutations occur, the cell continues to divide creating many cells that have the defect. This is what creates cancer tumors,
Learn More:
For more on cancer check out;
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