Answer:
PROTEIN. Protein is an important building block in the body because it's responsible for supplying amino acids that are used to create and repair cells, tissues, hormones, enzymes, red blood cells, and antibodies. Proteins also maintain fluid balance and transport substances throughout the body.
Answer: The most likely cause of death in 1900 would be pneumonia/influenza, while the leading cause of death in 2006 was heart disease.
Answer: im not sure
Explanation: im sorry i don't know
