oxygenated blood ? alveoli ? deoxygenated blood ? capillaries ? O2 ? alveoli CO2 ? air ? Red blood cells ? Veins carry blood away from the heart back to the heart back to the lungs only to the head About how much blood is in our body? 2 liters 3 liters 60 gallons 6 liters Arteries carry blood toward the heart away from the heart only to the feet to your digestive system This is a form of sugar that circulates in the blood and provides the major source of energy for body tissues. glucose sugar food respiration This is the state your body is in when its internal conditions are stable. circulation homeostatis cardio vascular The cardiovascular is made up of the heart, blood vessels, and the blood. blood vessels blood and blood vessels the heart, the arteries, and capillaries pump blood and carry nutrients carry blood; carry oxygen to the lungs; carry waste to the cells. carry oxygen and nutrients to cells; carry waste away from cells; carry heat throughout the body; carry hormones through the body. What are the functions of the cardiovascular system? What is the most common cause of death in the U.S.? Atherosclerosis Heart attack Stroke Heart disease This happens when cholestrol builds up inside blood vessels. Hypertension Heart Failure Atherosclerosis Heart Attack These are the smallest branch of the bronchi. capillaries bronchi alveoli bronchioles The main passageway into and out of the respiratory system is through the pharynx the nose the mouth the lungs What are 3 respiratory disorders? SARS, Heart Attack, Asthma Emphysema, SARS, AIDS Heart Attack, Heart Failure, Hypertension Asthma, Emphysema, SARS |