5-10 minutes of easy physical activity after your workout is best known as a:

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

if you know your abc's you should be able to get your answer or just use google

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.