Heart disease is the leading cause of death among both men and women in the united states. it is usually caused when a sticky substance called plaque builds up in the arteries. often, the only symptoms of heart disease are chest pain or discomfort.

why do you think heart disease is so prevalent in the united states? how could heart disease affect other organ systems?

the most common cause of heart diseases is narrowing or blockage of the coronary arteries, the blood vessels that supply blood to the heart itself. this is called coronary artery disease and happens slowly over time. it's the Major reason people have heart attacks.

the most common cause of heart diseases is narrowing or blockage of the coronary arteries, the blood vessels that supply blood to the heart itself. this is called coronary artery disease and happens slowly over time. it's the Major reason people have heart attacks.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.

im not intirely sure but i think the anwser is d relative humidity