1. What organ is the master controller for directing "amino aciduse(it's not a muscle)?

2. What is meant by the term "amino acid pool" and amino acid turnover"

1. The organ that serves as the master controller for directing amino acid usage in the body is the liver. The liver plays a crucial role in various metabolic processes, including the metabolism of amino acids. It is responsible for regulating the levels of amino acids in the bloodstream, as well as the synthesis and breakdown of proteins.

To confirm this information, you can follow these steps to conduct further research:
- Start by using a reliable search engine such as Google.
- Type in the search bar: "organ responsible for directing amino acid usage" or "liver function in amino acid metabolism."
- Look for reputable sources such as scientific research articles, textbooks, or websites from educational institutions or healthcare organizations.
- Read through the information provided by these sources to verify that the liver is indeed the master controller for amino acid usage.

2. The term "amino acid pool" refers to the total amount of amino acids present in the body at a given time. It consists of both free amino acids circulating in the bloodstream and those stored in various tissues.

On the other hand, "amino acid turnover" refers to the continuous process of synthesizing new proteins and breaking down existing proteins in the body. It involves the constant exchange of amino acids between protein synthesis and degradation.

To further understand these concepts, you can follow these steps for additional investigation:
- Utilize a reliable search engine like Google.
- Enter the phrases "amino acid pool definition" and "amino acid turnover explanation."
- Look for reputable sources such as scientific articles, textbooks, or educational websites.
- Review the information provided by these sources to gain a comprehensive understanding of the terms "amino acid pool" and "amino acid turnover," including their significance and roles in the body.