Cardiac exercises! They get your heart pumping blood quicker to strengthen it! :)
Answer:
High blood pressure forces your heart to work harder to pump blood to the rest of your body. This causes part of your heart (left ventricle) to thicken. A thickened left ventricle increases your risk of heart attack, heart failure and sudden cardiac death. Heart failure.
If the instructor can not see Winston touching his toes and Winston said he did, then it could lead to the instructor giving Winston advanced exercises which is dangerous for him if he's not on that level yet.
Because each body system has a completely different function.