Transcript CIRCULATORY SYSTEM

CIRCULATORY
SYSTEM`
CIRCULATORY SYSTEM
• DELIVERS FOOD AND
OXYGEN TO BODY CELLS
• CARRIES CARBON
DIOXIDE AND WASTE
AWAY FROM BODY CELLS
BLOODS PATH
• FROM THE HEART
• TO THE LUNGS
• BACK TO THE HEART
• TO ALL THE CELLS
• BACK TO THE HEART
THE HEART
• RIGHT ATRIUM
• RIGHT VENTRICLE
• TO THE LUNGS
• LEFT ATRIUM
• LEFT VENTRICLE
ARTERIES
• AORTA BRANCHES OFF OF
THE HEART
• CARRY BLOOD AWAY
FROM THE HEART
• BRANCH OFF TO SMALLER
ARTERIES
CAPILLARIES
• VERY THIN WALLED
• ONE BLOOD CELL MAY
PASS THROUGH
• OXYGEN IS RELEASED
• WASTE IS CARRIED AWAY
VEINS
• CARRY BLOOD BACK TO
THE HEART
• BLOOD IS DARK RED
BECAUSE OF LACK OF
OXYGEN
• HAVE ONE WAY VALVES
BLOOD
• RED BLOOD CELLS
• WHITE BLOOD CELLS
• PLATELETS
• PLASMA
RED BLOOD CELLS
• ROUND AND FLEXIBLE
• 25 TRILLION IN THE BODY
(25,000,000,000,000)
• CARRY HEMOGLOBIN
• (TRANSPORTS OXYGEN)
WHITE BLOOD CELLS
• LARGER THAN RED
• SOME LIVE HOURS,
MONTHS, OR YEARS
• PROTECT AGAINST
BACTERIA, VIRUSES, AND
CONTINUED
• OTHER FOREIGN
SUBSTANCES
• SURROUND AND DIGEST
INVADERS
• MAKE ANTIBODIES
PLATELETS
• BREAK APART TO BEGIN
THE CLOTTING PROCESS.
PLASMA
• ABOUT 90 PERCENT
WATER
• 10 PERCENT SUGARS,
FATS, SALTS, AND GASES
• YELLOWISH
BLOOD TYPES
•A
•B
• AB
•O
ANTI B
ANTI A
NONE
ANTI A
ANTI B
A,O
B,O
A,B,AB,O
O
CARDIOVASCULAR
DISEASE
• ATHEROSCLEROSIS-THICKENING OF THE
INSIDE OF AN ARTERY
• CAUSED BY FATS AND
CHOLESTEROL
CARDIOVASULAR
DISEASE
• PREVENTION
• HEALTHY DIET
• EXERCISE
HYPERTENSION
• WHEN BLOOD PRESSURE
IS ABOVE NORMAL
• THE SILENT KILLER
HYPERTENSION
• PREVENTION
• WATCH YOUR WEIGHT
• REDUCE SALT IN THE DIET
• EXERCISE
• SOME MEDICINES CAN
HELP
• THE END
• QUESTIONS
?