______ Breaking Foods Down Into Nutrients

DIGESTION

______– BREAKING FOODS DOWN INTO NUTRIENTS

–THEY ARE THEN CARRIED TO ALL CELLS IN THE BODY BY BLOOD

–THERE THEY ARE USED TO PROVIDE ENERGY AND THE RAW MATERIALS FOR GROWTH AND REPAIR

THE MOUTH

______GLANDS – SALIVA – MOISTENS FOOD IN THE MOUTH

______– BREAKS SOME STARCHES INTO SUGAR
PTYALIN IS AN ENZYME
______– CONTROL CHEMICAL REACTIONS IN THE BODY

BOTH CHEMICAL AND MECHANICAL DIGESTION TAKE PLACE IN THE MOUTH

______DIGESTION

ACT OF PHYSICALLY BREAKING DOWN FOOD

______
FRONT TEETH

CUT OFF FOOD

EYETEETH

TEAR AND SHRED

______

FLAT HEADED

GRIND AND CRUSH INTO SMALL PIECES

TASTE BUDS

ON THE SIDES OF THE PROJECTIONS OF THE TONGUE

REACT TO CHEMICALS IN FOOD

BITTER, SOUR, SWEET AND ______

FLAVOR

MIX OF TASTE, TEXTURE, ______AND ODOR

SWALLOW

SMOOTH MUSCLES FORCE FOOD DOWNWARD

______– SMALL FLAP

CLOSES OVER WINDPIPE TO KEEP FOOD OUT

AFTER SWALLOWING, MOVES BACK TO LET AIR IN

______

TRANSPORTS FOOD FROM MOUTH TO STOMACH

LINED WITH MUCUS – HELPS FOOD TRAVEL EASILY

TAKES ABOUT 12 SECONDS FROM MOUTH TO STOMACH

______– WAVES OF MUSCULAR CONTRACTION THAT FORCE FOOD THROUGH THE DIGESTIVE SYSTEM

STOMACH

J- SHAPED ORGAN

______JUICE IS RELEASED BY CELLS IN THE STOMACH

PEPSIN – ENZYME

HYDROCHLORIC ACID – STRONG ENOUGH TO BURN A HOLE IN A RUG

MUCUS – COATS AND PROTECTS THE STOMACH WALL

MECHANICAL AND ______DIGESTION

CONTRACTIONS IN STOMACH CHURN FOOD AND MIX WITH GASTRIC JUICE

HYDROCHLORIC ACID AND PEPSIN BREAK DOWN SOME OF THE COMPLEX PROTEINS INTO SIMPLER PROTEINS

SMALL INTESTINE

AFTER ______HOURS IN THE STOMACH, A SOFT, WATERY SUBSTANCE IS PASSED INTO THE SMALL INTESTINE

2.5 CENTIMETERS IN DIAMETER

MORE THAN 6 METERS LONG

THE WATERY SUBSTANCE MOVES THROUGH BY PERISTALSIS

MOST ______TAKES PLACE HERE

CELLS LINING THE WALL RELEASE INTESTINAL JUICE

THIS CONTAINS SEVERAL TYPES OF DIGESTIVE ______

MOST CHEMICAL DIGESTION TAKES PLACE IN THE FIRST 0.3 METERS

JUICES FROM TWO OTHER ORGANS HELP

FOOD NEVER REALLY PASSES THROUGH THESE ORGANS BUT THEY ARE CONSIDERED DIGESTIVE ______

______

THE LARGEST AND HEAVIEST INTERNAL ORGAN

LIVER PRODUCES ______THAT IS STORED IN THE GALLBLADDER

A DUCT ALLOWS THE GALLBLADDER TO RELEASE BILE INTO THE SMALL INTESTINE

BILE BREAKS UP ______PARTICLES INTO SMALLER ONES

PANCREAS

LOCATED BETWEEN STOMACH AND SMALL INTESTINE

PRODUCES ______JUICE

PANCREATIC JUICE IS A MIXTURE OF SEVERAL ENZYMES

BREAKS DOWN STARCHES, PROTEINS, AND FATS

THE PANCREAS ALSO PRODUCES ______

INSULIN CONTROLS THE BODY’S SUGAR LEVELS

AFTER ______HOURS, MOST OF THE FOOD IN THE SMALL INTESTINE IS DIGESTED

______– LINE THE SMALL INTESTINE

THE VILLI ABSORB FOOD

MANY BLOOD VESSELS ARE LOCATED IN THE VILLI TO TRANSPORT THE FOOD THROUGHOUT THE BODY

WHAT REMAINS ARE ______SUBSTANCES

WATER, CELLULOSE, AND PARTS OF FRUITS AND VEGETABLES

APPENDIX

AT THE END OF THE SMALL ______

IT HAS NO KNOWN FUNCTION

LARGE INTESTINE

SHAPED LIKE A HORSESHOE

FITS OVER THE COILS OF THE SMALL INTESTINE

6.5 CENTIMETERS IN ______

1.5 METERS LONG

AFTER ______HOURS IN THE LARGE INTESTINE, MOST OF THE WATER IS ABSORBED

HELPFUL BACTERIA MAKE SURE CERTAIN VITAMINS ARE ABSORBED

MINERALS NOT ABSORBED

DEAD BACTERIA, SOME FAT AND PROTEIN, UNDIGESTED ROUGHAGE, DRIED-OUT PARTS OF DIGESTIVE JUICES, ______, AND DISCARDED INTESTINAL CELLS

RECTUM

SHORT TUBE AT THE END OF THE LARGE INTESTINE

ANUS

OPENING AT THE END OF THE RECTUM WHERE ______WASTE IS ELIMINATED

GOOD HEALTH

SUPPLY YOUR BODY WITH THE MATERIALS IT NEEDS

CONTROL YOUR ______

GET PROPER ______AND REST

EXERCISE

REGULAR EXERCISE STRENGTHENS THE HEART

FIRMER ______

BETTER POSTURE

GREATER ______

INCREASED ENDURANCE

IMPROVED SENSE OF ______

WEIGHT CONTROL

WHEN YOU EAT MORE THAN NEEDED – EXCESS STORED AS FAT

TO GET RID OF FAT – USE MORE ENERGY THAN FOOD PROVIDES

______

ALL ORGANS MUST WORK HARDER

WEIGHT LOSS –

SEE A ______

BE SURE DIET IS BALANCED

REDUCE ______

EXERCISE MORE