Most Popular. 1  GCHQ challenges you to crack codes for charity with its first ever puzzle book. 2  A Christmas card with a cryptographic twist for charity. 3  Foreign Secretary appoints new Director GCHQ.  Applications open for GCHQâs Cyber Summer 1  Schools. GCHQ Cheltenham.
matter of the heart definition, matter of the heart meaning | English dictionary. matter. 2 substance that occupies space and has mass, as distinguished from substance that is mental, spiritual, etc. n the substance or main theme of a book, discussion, debate, etc.
Three Methods:Assessing Your Heart RateExercising for a Lower Resting Heart RateMaking Lifestyle ChangesCommunity Q&A. Your heart rate, or pulse, is the measurement of heart beats per minute, or how hard the heart is working to circulate blood throughout your body. Your resting heart rate refers to the body's lowest heart rate, when your body is close to absolute rest.