The brain loses 5-10 percent of its weight between the ages 20 & 90.
The 3 parts that make up an amino acid include the following:
Side Chain - R group
Amino Group or Amine Group
Carboxylic Acid Group
Carboxyl Group.
Skeletal muscles are one of the three muscle types they are a form of striated muscle tissue.
We study sexual anatomy to better understand the process of reproduction in humans. It also can help us better understand how a majority of animals reproduce, and how it can influence ecosystems. I hope this helps, and please mark as Brainliest answer!!
Answer:
A substantial part of the Amazon rainforest economy comes from illegal activities, like drug dealing, biological trade and wood cutting. Most drugs that reach Europe and United States are not farmed in the region, but Amazon rainforest serves as a path to drug dealers to deliver their production
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