Just as glucose is the basic building block for carbohydrates, amino acids are the basic building blocks of protein. Amino acids contribute to the development of protein within the body and are vital in assisting in wound repair and encouraging healthy tissue in muscles, bones, skin and hair. There are 22 amino acids with 9 being essential. 
 
        
                    
             
        
        
        
The carotid baroreceptors become less active, venous return is decreased, heart rate is reflexively elevated, and reflex vasoconstriction of peripheral blood vessels occur.
        
             
        
        
        
Answer:
Epidemiological study.
Explanation:
Epidemiology study is the study of diseases, conducted among populations of humans. Such a study highlights HOW the diseases happen, WHEN the diseases occur and WHERE the diseases occur.
The information gathered is necessary to strategize on how to stop the spread of the diseases, to prevent ailment and also as a guide to the care of the patients. 
Epidemiologists also attempt to determine what factors are associated with diseases (risk factors), and what factors may protect people or animals against disease (protective factors).
 
        
                    
             
        
        
        
<span>About 1,760 calories.</span>