• heartheart

• superior Vena Cavasuperior Vena Cava

• right Atriumright Atrium

• pulmonary Valvepulmonary Valve

• atrioventricular Valveatrioventricular Valve

• inferior Vena Cavainferior Vena Cava

• right ventricleright ventricle

• left atriumleft atrium

• pulmonary veinspulmonary veins

• pulmonary arterypulmonary artery

• aortaaorta

• your heart is a pumpyour heart is a pump

• one side pumps blood to the one side pumps blood to the lungslungs

• the other side pumps to the the other side pumps to the bodybody

• your heart should make a lub-your heart should make a lub-dud sounddud sound

• the heart has two chambersthe heart has two chambers

• one on topone on top

• one on the bottomone on the bottom

• the right atrium is one of four tanksthe right atrium is one of four tanks

• it receives oxygen-poor blood from theit receives oxygen-poor blood from the

• superior vena cavasuperior vena cava

• inferior vena cavainferior vena cava

• coronary sinuscoronary sinus

• atria don’t have valves on their inletsatria don’t have valves on their inlets

• inside is a tough muscuale pectinati and inside is a tough muscuale pectinati and crista terminalscrista terminals

• shortshort

• has a big diameterhas a big diameter

• is formed by is formed by brachiocephalic veinsbrachiocephalic veins

• carries oxygen-poor carries oxygen-poor blood to the upper body blood to the upper body and right atriumand right atrium

• is a large blood vesselis a large blood vessel

• carries oxygen-poor carries oxygen-poor blood from the lower blood from the lower body to right atriumbody to right atrium

• lungs give blood oxygenlungs give blood oxygen

• the blood gives the lungs carbon the blood gives the lungs carbon dioxidedioxide

• heart pumps blood to lungsheart pumps blood to lungs

• lungs pump it backlungs pump it back

• what you breathe in goes in your what you breathe in goes in your bloodblood

• exercising will exercising will strengthen your heartstrengthen your heart

• eat and drink healthy eat and drink healthy and that will help your and that will help your blood blood

• smokingsmoking

• drinking drinking

• eating junk foodeating junk food

• peripheral artery diseaseperipheral artery disease

• aneurysmaneurysm

• renal artery diseaserenal artery disease

• raynaud’s phenomenonraynaud’s phenomenon

• buerger’s diseasebuerger’s disease

• peripheral venous diseaseperipheral venous disease

• varicose veinsvaricose veins

• blood clotsblood clots

• blood clotting disordersblood clotting disorders

• lymphedemalymphedema

• 8 million cells are made every 8 million cells are made every secondsecond

• oxygen-poor blood is blueoxygen-poor blood is blue

• oxygen-rich blood is redoxygen-rich blood is red

• red blood cells live up to four red blood cells live up to four monthsmonths

• the heart beats about 3 billion the heart beats about 3 billion times in someone's lifetimes in someone's life

• http://www.chpnyc.org/http://www.chpnyc.org/

• http://http://www2.estrellamountain.edu/ www2.estrellamountain.edu/

• http://lessonpix.com/ http://lessonpix.com/

• http://www.fi.edu/http://www.fi.edu/

• http://answers.yahoo.com/http://answers.yahoo.com/

• http://http://

pennstatehershey.adam.compennstatehershey.adam.com • http://www-computer.orghttp://www-computer.org • kidshealth.orgkidshealth.org

• en.wikipedia.orgen.wikipedia.org

• au.answers.yahoo.comau.answers.yahoo.com

• www.medicnenet.comwww.medicnenet.com

• http://www.healthcentral.comhttp://www.healthcentral.com • http://www.google.comhttp://www.google.com