Deoxygenated blood returns to the heart from the body via the:

superior and inferior vena cava

Where is the tricuspid valve located?

Between the right atria and right ventricle

At the entrance to the pulmonary artery

Between the left atria and right ventricle

The layers of the heart from OUTER to INNER:

pericardium, myocardium, endocardim

endocardium, myocardium, pericardium

myocardium, endocardium, pericardium

pericardium, endocardium, myocardium

Where does blood go after it leaves the right ventricle?

pulmonary valve into the pulmonary artery

pulmonary vein into the left atrium

The heart gets its blood supply from the:

superior and inferior vena cava

Cardiovascular System: The Heart and Blood Flow

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Reasons why do teenagers are beginning to smoke a. Teenagers do it, due to peer pressure. b. They follow the example of adults who smoke. c. They are responsive to attractive cigarette advertisements. d. They are tempted to satisfy their curiosity. e. To look like their adult counterpart. Smoking is said to be the leading cause of lung cancer and chronic lung diseases. There are many different chemicals and substances in tobacco smoke that injure the cardiovascular system, hence the development of heart attacks. There are no perfect plans or technique for quitting smoking. However you can follow the succeeding approaches. a. commit yourself to quit smoking b. set a date to put a stop to smoking c. list the reasons why you want to stop smoking. d. review periodically all the harmful effects that smoking does to your body. e. involve other people, like your families, friends why you would want to stop smoking and ask for their support. f. change your routine, before the urge to smoke strikes, start activities that make smoking physically difficult to perform. Now, let’s compare the smokers for non-smokers: Home Economics and Livelihood Education 7 Seibo College 59 Body of smokers Vs. Body of non-smokers Smokers Non-Smokers Restless Wiser and positive thinker Have more facial wrinkles Smoother complexion Prone to absenteeism and tardiness More active and energetic Money is wasted due to costly cigarettes Money is spent wisely Lack of self-confidence, insecure Confident of himself Prone to cardiovascular diseases Healthier and feel better Dull sense of taste Sharper sense of taste Now, you can focus on the many benefits of putting a stop to smoking.  Your senses of smell and taste can improve.  You can breath easier.  Your smoker’s cough will become to disappear.  You will notice an improvement in your stamina.  Your risk of heart attack will begin to decrease and other related diseases. Home Economics and Livelihood Education 7 Seibo College 60 If you have any questions,

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