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• 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