Why is protein important to the human body?

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Answer

Protein is essential for humans...that means that we can't do without
it in our food and in our bodies, in part because of the nitrogen it
contains (the major source of nitrogen for the body) and in part because
of the particular building blocks that make up protein. Protein is made
up of twenty different building blocks, called amino acids, arranged in
thousands and thousands of different ways. Every cell in the human body
contains protein as part of its structure (cell membrane and other
structures). It also serves to build strong stuctures in the body, as a
whole (bones, muscles, tendons, and ligaments); it makes up the compounds
that your body used to make the biochemical reactions occur in your body,
called enzymes; it is found in your blood as parts of the red blood cells
(hemoglobin) and as carriers for other materials (transport proteins);
and it is part of the immune system (antibodies) that helps protect your
body from foreign invaders, such as bacteria, viruses, and toxic
substances.

First answer by ID1206104496. Last edit by ID1206104496. Question popularity: 12 [recommend question]