A
The formula for finding for finding your maximum heart rate is subtracting your age from220
Greater cardiac stroke volume, and a decrease in blood pressure(however this could be harmful as well)
The others suggest harm being done to the body , an increase in cholesterol wouldn’t make sense because that would worsen the heart in the long run and a low hemoglobin won’t suddenly appear after frequently going to the gym so low red blood cells are out of the picture
Answer: A) Heart and lungs
Explanation:
The heart becomes more efficient with every beat as it pumps oxygen-carrying blood, the lungs more effective in taking in oxygen, and the muscles more equipped to use more oxygen.
