I need help I am stuck

Amino acids are important to the body because they build carbohydrates proteins complex carbohydrates simple sugars fats

Early treatment for mental illness involved because doctors believed that doing this would drain the mental illness out of the person’s body.

What is one way that cold and flu viruses spread? a.by transfusing contaminated blood b.by inhaling contaminated droplets c.by eating contaminated meat d.by drinking contaminated water