Refers to any condition affecting the structures or function of the cardiovascular system, and affects more than 70 million americans. a. heart disease b. cancer c. diabetes d. osteoperosis

Heart disease cardiovascular system, and affects more than 70 million Americans. Correct A

Heart disease, or also referred to as cardiovascular disease include blood vessel diseases, such as coronary artery disease; heart rhythm problems (arrhythmias); and heart defects you're born with (congenital heart defects), among others.

jomady. when the body perspires due to the temperature rising, trepidation, exercise, or a disease known as hyperhidrosis, then you would lose the sodium and potassium stored in your body, also known as the na+/k+-atpase enzyme.

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.