Answer:
Transportation of essential gases an nutrients, waste and unwanted products
Explanation:
the key feature of circulation is transportation of essential gases and nutrients around the body of an organism, removes unwanted products of metabolism from the tissues, and carries these products to specialized excretory organs, if present.
Answer:
300 milligrams
Explanation:
According to the American Heart Association's a healthy diet and lifestyle is the most important weapon to fight with any cardiovascular disease. We should balance the calorie intake and physical exercise to gain and maintain a healthy body weight.
American Heart Association's 2006 Diet and Lifestyle recommends that for the reduction of cardiovascular disease risk we should consume less than 300mg of cholesterol per day and partially hydrogenated fat should be minimized in diet.
