No. As handsonanatomist mentions it has to do with blood flow to the myocardium(heart muscle itself). The heart muscle itself only receives oxygen during diastole(relaxation), but as heart rate increases the relative length of diastole shortens compared to systole(heart contraction). TLDR; your heart gets tired because it only gets oxygen while relaxed, and the relative amount of time spent relaxing is less.
Mine: is a possessive pronoun. Example :That is mine. My: is a possessive adjective. Example : That is my car. This is my iPodâ --- - This iPod is mine. This is my pen ------ This pen is mine. This is my car ------ This car is mine. Those are my paintings ------ those paintings are mine.
Key Differences Between Debit and Credit. The difference between debit and credit can be drawn clearly on the following grounds: Debit refers to the left side of the ledger account while credit relates to the right side of the ledger account. In personal accounts, the receiver is debited whereas the giver is credited.