THE CIRCULATORY SYSTEM
VEINS
THIN AND HAS LESS MUSCLE THAN A ARTERIES
BRANCH INTO VENULES
MUSCLE CONTRACTIONS MOVE BLOOD TO THE HEART
BLOOD
PLASMA(LIQUID)
RED BLOD CELLS(RBCS)
MADE IN BONE MARROW
LIVE FOR ABOUT 3 OR 4 MONTHS
WHITE BLOOD CELLS(WBCS)
TYPES OF BLOOD
TYPE A
TYPE B
TYPE AB
UNIVERSAL RECIPIENT
TYPE O
UNIVERSAL DONOR
VENTRICLES
RIGHT VENTRICLE SENDS DEOXYGENATED BLOOD TO THE LUNGS
LEFT VENTRICLE SENDS OXYGENATED BLOOD TO THE LUNGS
THE HEART
SEPTUM SEPERATES THE RIGHT AND LEFT SIDES OF THE HART PREVENTING BLOOD FROM MIXING
RIGHT SIDE GETS DEOXYGENATED BLOOD FROM THE BODY
LEFT SIDE GETS OXYGENATED BLOOD FROM THE BODY
MADE OF CARDIAC MUSCLE
AORTA TAKES BLOOD FROM THE HEART AND SPREADS IT THROUGHOUT THE BODY
PULMONARY ARTERY TAKE BLOOD FROM THE HEART TO THE LUNGS
PULMONARY VEIN TAKES BLOOD FROM THE LUNGS TO THE HEART
VENA CAVA IS THE LARGEST VEIN
CAPILLARIES
ONLY ONE CELL THICK!!!!
EXCHANGE GASES
TYPES OF CIRCULATION
PULMONARY, CORONARY AND SYSTEMIC
PULMONARY: HEART AND LUNGS
CORONARY: SUPPLIES BLOOD TO THE HEART TISSUE
SYSTEMIC: HEART AND BODY
ARTERIES
THICK/MUSCULAR
HAS A PULSE
BRANCH INTO ARTERIOLES