3/21/2011

CIRCULATORY SYSTEM37-1PG. 942-950

STANDARD 9A

Know how the circulatory/respiratory systems provides cells with O2/nutrients and removes waste such as CO2.

What is the purpose of the circulatory system?

Bring O2 in and take CO2 out!

CS Parts:

HeartBlood vesselsBlood

BLOOD

PLASMA90% WATER

PLATELETSWBC

RBCHEMOGLOBIN-BINDS O2

BLOOD VESSELS

AORTA (HIGHWAY)BRINGS O2 -BLOOD FROM HEART TO BODY

ARTERIES (BUSY STREETS)BRINGS O2-BLOOD TO BODY

BLOOD VESSELS CONTD.. CAPILLARIES ( DRIVEWAYS) DROPS O2 TO CELLS PICKS UP CO2

VEINS (SLOW STREETS) BRINGS CO2BLOOD TO HEART

DID YOU UNDERSTAND? WHAT IS THE BIGGEST SUPERHIGHWAY? AORTA WHAT ARE THE SMALLEST BLOOD VESSELS? CAPILLARIES WHICH VESSELS DROP OXYGEN OFF TO A CELL? CAPILLARIES WHAT DO VEINS CARRY? CARBON DIOXIDE-BLOOD WHICH VESSEL CARRIES BLOOD FROM HEART

TO LUNG? PULMONARY ARTERY

LEFT ATRIUM

LEFT VENTRICLE

RIGHT ATRIUM

RIGHT VENTRICLE

VALVES

AORTA

PULMONARY ARTERIES

SVC

IVC

PULMONARY VEINS

PULMONARY-OF THE LUNG

ATRIA/ATRIUMUPPER CHAMBERSCOLLECTS BLOOD

VENTRICLES-LOWER CHAMBERSPUMPS BLOODTHICKER MUSCLE

VALVES1-WAY DOORSKEEPS BLOOD FROM FLOWING BACKWARDS

SEPTUMDIVIDES LEFT SIDE FROM RIGHT

GET IT?

THE HEART HAS _______ CHAMBERS.

4 ARTERIES TAKE BLOOD WHERE? AWAY FROM THE HEART VEINS TAKE BLOOD WHERE? TO THE HEART WHAT DOES PULMONARY MEAN? LUNG

NOW ABOUT THE LUNGS….

CO2 EXCHANGED FOR O2

CLASSWORK/HWCOPY FIGURE 37-3 ON PG. 945LABEL!

COLOR RED/BLUERED-OXYGEN RICHBLUE-OXYGEN POOR