Also known as: CR., CR...
CR stands for various terms. Discover the full forms, meanings, and possible interpretations of CR across different fields and industries.
Heart beats per minute (BPM). The heart can change its output by increasing its stroke volume or its cardiac rate, where the latter is the most effective and most efficient method. Heart rate varies widely with age, sex, environmental stress, state of health, etc. Therefore, the term "normal" heart rate is meaningless. However, ratio of working cardiac rate over resting cardiac rate is one of the measures of work tolerance and work stress.
HealthMedicalMedicineA chemical reaction is a process that leads to the transformation of one set of chemical substances to another. Classically, chemical reactions encompass changes that only involve the positions of electrons in the forming and breaking of chemical bonds between atoms, with no change to the nuclei (no change to the elements present), and can often be described by a chemical equation.
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