How should you use a heart rate monitor?
Measure your heart rate before, during, and after workouts
        
                    
             
        
        
        
Answer: CPR 
Explanation: It is the function that maintain's the brain until it starts beating on it's own. 
 
        
                    
             
        
        
        
Answer:
if you mean bloods then no because they can be found as carbohydrates which is the starch you can also brake down in the stomach which can also be left as chemicals but yes most of the time they are found in the bloods and the white bloods cells and the red bloods cells help defending and carrying the chemicals which are found in the body
Explanation:
 
        
             
        
        
        
Answer:
operant conditioning.
Explanation:
From the question we can see that a person named Skinner believed that psychology should focus on the study of behavior and that type of conditioning is known as operant conditioning. 
What is conditioning?. Conditioning can be simply defined as response to certain Behaviors. Although many Psychologists will divide conditioning into two main types, I will be dividing it into three and the three primary types of conditioning are observational learning, operant conditioning and classical conditioning. 
Operant conditioning is a response(be it a reward or punishment) of certain Behaviors.