heart: a muscular organ that pumps blood throughout the body

blood pressure: the pressure, or force, of the blood in blood vessels, stretchy tubes in the body that circulate blood

hypertension: high blood pressure

heart disease: problems in the heart that disrupts the circulation of blood. Heart disease can lead to heart attacks.

obesity: a condition where there is too much fat stored in the body

kidneys: two organs in the body that remove waste materials from the blood. The body gets rid of these waste materials in the form of urine.