The respiratory system works to get essential materials to the cells when we breathe it takes the carbon dioxide from the alveoli ( air pockets in our lungs) and replacing it with oxygen. The circulatory system takes consists of veins which carries oxygenated blood from the entire body to the heart, and arteries which takes deoxygenated blood away from the heart to the lungs. Finally the digestive system works to get essential materials to the cells when we eat the vitamins, minerals and nutrients not only go to certain organs but also through the blood and the cycle starts all over again.
<span>To lower her blood pressure, Janelle has to participate in aerobic class. Aerobic exercises help lower the blood pressure and make the heart stronger. Examples of these types of exercise include walking, jogging, jumping, bicycling, skating, rowing, swimming, etc.</span>
You would look at the nutrition facts on the side of the cereal box's.
