Answer:
1st question answer- It's not just a matter of getting used to running, bicycling or swimming longer distances. Regular endurance training produces changes in your cardiovascular response, improving oxygen efficiency, strengthening your heart and raising your resting metabolism.
2nd question answer-A number of measures can help lessen fatigue caused by daily activities. To help boost your energy levels and overall health: drink enough fluids to stay hydrated practice healthy eating habits
3rd question answer- It takes about six weeks to provide enough training effect to provoke a measurable improvement in your bodys abilities.
Step-by-step explanation: