LYMPHATIC SYSTEM. A group of organs and tissues that collect fluid that leaks from blood and returns it to the blood.

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2 LYMPHATIC SYSTEM A group of organs and tissues that collect fluid that leaks from blood and returns it to the blood.

3 The lymphatic system is also part of the body s defense against disease. The lymph capillaries collect fluid containing dead cells and pathogens from around the body.

4 LYMPH The leaked fluid from the blood.

5 Lymph is returned to the cardiovascular system through blood vessels at the base of the neck.

6 LYMPH NODES Small bean-shaped organs that remove pathogens and dead cells from lymph. Lymph nodes are concentrated in the neck, armpits, and groin.

7 White blood cells are also found in the lymph system. White blood cells mature in the lymph system.

8 When an infection occurs, the white blood cells multiply. The lymph nodes become swollen and painful.

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10 THE CIRCULATORY SYSTEM

11 THE BODY S TRANSPORTATION SYSTEM DELIVERS FOOD AND OXYGEN WITHOUT OXYGEN CELLS WOULD DIE THE BRAIN DIES FIRST

12 REMOVES WASTE THE BODY WOULD POISON ITSELF IF WASTE NOT REMOVED CARBON DIOXIDE IS THE WASTE PRODUCT OF MAKING ENERGY TRANSPORTS CHEMICAL MESSENGERS

13 DISEASE FIGHTING CELLS AND CHEMICALS ARE ALSO TRANSPORTED TO INVASION SITES THE HEART IS THE POWER BEHIND THIS THE BLOOD VESSELS WOULD WRAP AROUND THE EARTH MORE THAN TWICE

14 CIRCULATION IN THE BODY

15 BLOOD FLOWS FROM THE HEART TO THE LUNGS TO THE HEART TO THE BODY AND BACK TO THE HEART

16 THE HEART ONLY RESTS BETWEEN BEATS

17 ABOUT 5 LITERS OF BLOOD IS PUMPED THROUGH YOUR BODY EVERY MINUTE THE HEART IS THE SIZE OF YOUR FIST AND IS LOCATED TO THE LEFT CENTER OF THE CHEST

18 PACEMAKER LOCATED IN THE UPPER RIGHT SIDE OF THE HEART A BUNDLE OF NERVES REGULATES THE HEART S RHYTHM OR PACE OF BEATING

19 AN ARTIFICIAL PACEMAKER MAY BE PLACED OUTSIDE OF THE BODY

20 ARTIFICIAL PACEMAKER

21 THE HEART

22 SEPTUM SEPARATES THE RIGHT AND LEFT SIDES ATRIUM UPPER CHAMBERS VENTRICLES LOWER CHAMBERS

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24 RIGHT SIDE OF THE HEART BLOOD ENTERS THE ATRIUM IT IS COLLECTED FROM THE BODY IT IS DARK RED LITTLE OXYGEN BLOOD ENTERS THE VENTRICLE IT FIRST PASSES THROUGH A VALVE FROM HERE IT GOES TO THE LUNGS

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26 THE LUNGS RED BLOOD CELLS DROP OFF CARBON DIOXIDE AND PICK UP OXYGEN THE CARBON DIOXIDE IS IMMEDIATELY BREATHED OUT BLOOD IS NOW BRIGHT RED IT RETURNS TO THE HEART

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28 THE LEFT SIDE OF THE HEART THE ATRUIM COLLECTS BLOOD RETURNING FROM THE LUNGS THE BLOOD PASSES THROUGH A VALVE TO THE VENTRICLE IT IS PUMPED THROUGHOUT THE BODY

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30 THE LEFT SIDE OF THE HEART WORKS SIX TIMES HARDER THAN THE RIGHT SIDE OF THE HEART

31

32 ARTERIES

33 AORTA THE MAIN BLOOD VESSEL THAT CARRIES BLOOD AWAY FROM THE HEART SOME BRANCHES CARRY BLOOD TO THE REST OF THE BODY SOME BRANCHES CARRY BLOOD TO THE HEART ITSELF

34 IT IS THE LARGEST BLOOD VESSEL IN THE BODY

35 DISECTION OF THE AORTA

36 ARTERIES INNER WALL SMOOTH TO ALLOW BLOOD TO FLOW FREELY ELASTIC MIDDLE OF SMOOTH MUSCLE TISSUE ALLOWS FLEXIBILITY AND MUSCLE CONTRACTION AND RELAXATION CONTROLS BLOOD FLOW

37 OUTER FLEXIBLE CONNECTIVE TISSUE THAT ALLOWS THE ARTERY TO STRETCH AND RETURN TO NORMAL WITH EACH HEARTBEAT

38 CAPILLARIES EXTREMELY THIN WALLED RED BLOOD CELLS PASS THROUGH SINGLE FILE FOOD AND OXYGEN EXCHANGED FOR WASTE OTHER MATERIALS MAY LEAVE AND ENTER AT THIS TIME

39

40 CAPILLARY TRANSPORTING BLOOD

41 VEINS LARGER THAN CAPILLARIES BUT SMALLER THAN ARTERIES CARRY BLOOD BACK TO THE HEART THIN WALLS HAVE TINY ONE-WAY VALVES THAT KEEP THE BLOOD FROM FLOWING BACKWARD

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43 BLOOD BLOOD IS A FLUID TISSUE IT CONSISTS OF THREE TYPES OF PARTICLES RED AND WHITE BLOOD CELLS, AND PLATELETS

44 PLASMA THE LIQUID PORTION OF BLOOD 90% WATER 10% SUGARS, FATS, SALTS, GASES, AND PLASMA PROTEINS

45 FUNCTIONS HELPS TO REGULATE THE AMOUNT OF WATER ENTERING OR LEAVING THE BLOOD AIDS IN BLOOD CLOTTING

46 TRANSPORTS ANTIBODIES SPECIAL PROTEINS THAT HELP FIGHT OFF BACTERIA, VIRUSES, AND FOREIGN SUBSTANCES CARRIES DIGESTED FOOD, HORMONES, AND WASTE PRODUCTS

47 RED BLOOD CELLS MOST NUMEROUS CELLS IN THE BLOOD ROUND WITH FLATTENED HATS AND THICKENED RIMS AND FLAT CENTERS CENTERS ARE SO THIN THEY SEEM CLEAR THINNESS ENABLES THEM TO BEND IN THE CENTER TO SQUEEZE THROUGH NARROW CAPILLARIES

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49 PRODUCED IN THE BONE MARROW LIFE SPAN 120 DAYS YOUNG RED BLOOD CELLS HAVE A NUCLEUS AS CELL MATURES, NUCLEUS GROWS SMALLER AND SMALLER UNTIL IT VANISHES

50 SPLEEN CEMETARY OF RED BLOOD CELLS DAMAGED OR WORN OUT CELLS ARE BROKEN DOWN IN THE SPLEEN

51 HEMOGLOBIN IRON-CONTAINING PROTEIN IN BLOOD BINDS WITH OXYGEN TO TRANSPORT IT THROUGHOUT THE BODY THE BUILD-UP OF HEMOGLOBIN FORCES THE NUCLEUS OUT

52 WHITE BLOOD CELLS OUTNUMBERED 500 TO 1 BY RED BLOOD CELLS LARGER THAN RED BLOOD CELLS SOME LAST A FEW HOURS, MOST FOR MONTHS OR YEARS DEVELOP IN BONE MARROW

53 WHITE BLOOD CELL

54 MAIN FUNCTION PROTECT AGAINST ATTACK BY BACTERIA, VIRUSES, OR OTHER FOREIGN SUBSTANCES AN IMPORTANT PART OF THE IMMUNE SYSTEM

55 ATTACK INVADERS SURROUND AND DIGEST INVADERS MAKE ANTIBODIES MAKE SPECIAL CHEMICALS THAT HELP THE BODY FIGHT DISEASE

56 PLATELETS COLLECT AROUND A CUT BURST APART WHEN THEY TOUCH THE ROUGH EDGES OF THE CUT

57 CHEMICALS ARE RELEASED THAT CAUSE A CHAIN REACTION FIBRIN WEAVES TINY FIBERS ACROSS CUT IN BLOOD VESSELS BLOOD AND PLASMA ARE TRAPPED PLASMA HARDENS TO FORM A CLOT SCAB

58 THE PROCESS OF BLOOD CLOTTING

59 RESEMBLE TINY PLATES THEY ARE FRAGMENTS OF CELLS NO NUCLEUS NO COLOR LIVE NO MORE THAN 10 DAYS BREAK AWAY FROM LARGE CELLS WHICH ARE PRODUCED IN THE BONE MARROW

60 BLOOD GROUPS FIRST HUMAN TRANSFUSION 17 TH CENTURY DID NOT ALWAYS WORK BLOOD TRANSFERS ARE BASED ON COMPATABILITY OF BLOOD TYPES IF NOT, CLUMPING LEADS TO BLOCKAGES

61 TYPES TYPE A HAVE PROTEIN A TYPE B HAVE PROTEIN B TYPE AB TYPE O HAVE BOTH PROTEINS HAVE NO PROTEIN

62 O CAN RECEIVE ONLY FROM O AB CAN RECEIVE FROM ANYONE

63 LANDSTEINER AND WIENER DISCOVERED ANOTHER GROUP OF 18 PROTEINS RH BECAUSE IT WAS DISCOVERED IN RHESUS MONKEYS

64 Rh FACTOR Rh+ PERSON HAS ANY OF THE 18 PROTEINS Rh- PERSON DOES NOT HAVE ANY OF THE 18 PROTEINS

65 CARDIOVASCULAR DISEASE DISEASES OF THE HEART AND BLOOD VESSELS CHRONIC DISORDERS BECAUSE PEOPLE LIVE LONGER

66 ATHEROSCLEROSIS THICKENING OF THE INNER WALL OF THE ARTERY ALSO KNOWN AS HARDENING OF THE ARTERIES CHOLESTEROL COLLECTS ON THE WALL WALLS NARROW BLOOD FLOW IS SLOWED OR BLOCKED

67 IF THE BLOOD FLOW IS REDUCED, CELLS DIE IF IN HEART HEART ATTACK IF IN BRAIN - STROKE

68

69 BEGINS IN PEOPLE AS YOUNG AS 20 AVOID OR LIMIT FOODS RICH IN FATS AND CHOLESTEROL

70 HEART BYPASS A BLOOD VESSEL IS REMOVED FROM THE LEG AND IS USED TO BYPASS THE DAMAGED ARTERIES SERVING THE HEART

71 A VEIN BYPASSES THE BLOCKAGE

72 ANGIOPLASTY A BALLOON IS INSERTED INTO THE CLOGGED ARTERY THE BALLOON IS BLOWN UP IN AN EFFORT TO BREAK THE PLAQUE FROM THE ARTERY WALLS

73 A BALLOON IS INSERTED TO BREAK UP THE PLAQUE

74 HYPERTENSION HIGH BLOOD PRESSURE MEASURED BY SPHYGMOMANOMETER FIRST NUMBER WHEN HEART CONTRACTS SECOND NUMBER WHEN HEART RELAXES

75 BLOOD PRESSURE CHANGES THROUGHOUT THE DAY IF IT REMAINS HIGH HYPERTENSION A SILENT KILLER NO OBVIOUS SYMPTOMS

76 LIFESTYLE CHANGES CAN MAKE A DIFFERENCE WATCH YOUR WEIGHT REDUCE THE AMOUNT OF SALT EAT SENSIBLY EXERCISE REGULARLY MEDICINE CAN ALSO MAKE A DIFFERENCE

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