It depends on how old you are, how healthy you are and also how much sports you play. People who play lots of sports have better endurance than those who dont
its due to different tax interest and import ratess
There are 4 different chambers in the heart.
There are several different kinds of heart diseases. Some of these include heart attack, coronary heart disease, congestive heart failure, and congenital heart disease.
there two different types of Heart disease
Your Real Heart
Different letters
Different letters
Different letters
Heart burn and heart attack are two completely different things
heart rate is effected by different forms of exercise because with the more superior exercise the higher your heart rate
its because the lack of oxygen
what makes the heart different to the other organs