The portal vein directs blood from the GI tract to the liver. The liver is the first organ to receive nutrients that are absorbed from the GI tract. It is the ‘gatekeeper’ and is responsible for filtering out possible toxins before they reach delicate tissues such as the brain.
Answer:
The last choice.
Explanation:
An enzyme is a protein that breaks down into nitrogen- based amino acids.
Cancerous tumors are removed so that they do not metastasize. Some cancers are even curable if they are caught early. At other times both cancerous and benign tumors will be removed if they interfere with the function of an organ in some way. Sometimes a tumor may be removed for the purposes of a biopsy. Physicians may not always remove tumors. In many cases of metastatic cancer, the removal of a tumor is of no medical benefit.
Hope this helps. :D
Answer:
To produce wood and paper products.
Explanation:
Water is used in factories to make both wood and paper products.
I hope this helps!