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5 Science D1
Chapter D1 Science Vocabulary
| Question | Answer |
|---|---|
| RESPIRATORY SYSTEM | THE GROUP OF ORGANS THAT TAKE OXYGEN FROM THE AIR AND REMOVE CARBON DIOXIDE FROM YOUR BODY. |
| NOSE | AIR ENTERS, IS WARMED, MOISTENED, AND CLEANED HERE. |
| NOSTRILS | TWO OPENINGS IN THE NOSE. |
| MUCUS | STICKY LIQUID PRODUCED BY THE LININGS OF THE NOSE AND OTHER BODY PARTS THAT OPEN TO THE OUTSIDE THAT ADDS MOISTURE. |
| CILIA | TINY HAIRS IN THE NOSE AND TRACHEA THAT TRAP DUST AND GERMS FROM THE AIR. |
| TRACHEA | WINDPIPE; THE TUBE THAT LEADS FROM THE THROAT TOWARD THE LUNGS. |
| BRONCHIAL TUBES | PAIR OF TUBES THAT BRANCH OFF FROM THE TRACHEA AND GO INTO THE LUNGS. |
| AIR SACS | TINY POUCHES IN THE LUNGS IN WHICH THE EXCHANGE OF OXYGEN AND CARBON DIOXIDE TAKES PLACE. |
| LUNGS | SAC-LIKE RESPIRATORY ORGANS IN THE CHEST. |
| DIAPHRAGM | LARGE MUSCLE BELOW THE LUNGS THAT HELPS YOU BREATHE. |
| INHALE | TO BREATHE IN. |
| EXHALE | TO BREATHE OUT. |
| RED BLOOD CELLS | OXYGEN CARRYING CELLS IN YOUR BLOOD. |
| PLASMA | WATERY PART OF THE BLOOD THAT CARRIES RED BLOOD CELLS, NUTRIENTS, AND NITROGEN WASTES. |
| VEINS | BLOOD VESSELS THAT CARRY BLOOD TO THE HEART. |
| ARTERIES | BLOOD VESSELS THAT CARRY BLOOD AWAY FROM THE HEART. |
| CAPILLARY | TINY BLOOD VESSEL WITH THIN WALLS THROUGH WHICH OXYGEN, NUTRIENTS, AND WASTES PASS. |
| OXYGEN-RICH BLOOD | BRIGHT RED. |
| OXYGEN-POOR BLOOD | DARK, DULL, PURPLISH-RED. |
| NUTRIENTS | NOURISHING SUBSTANCES FROM FOOD CARRIED IN YOUR BLOOD TO YOUR BODY CELLS. |
| EXCRETE | TO GET RID OF |
| EXCRETORY SYSTEM | GROUP OF ORGANS THAT GETS RID OF CELL WASTES |
| CELL WASTES | CARBON DIOXIDE, WATER, NITROGEN, SALTS, AND HEAT RELEASED BY THE BODY CELLS INTO THE BLOOD. |
| KIDNEYS | MAIN ORGANS OF THE EXCRETORY SYSTEM THAT FILTER CELL WASTES FROM THE BLOOD. |
| URINE | LIQUID FORMED IN KIDNEYS CONSISTING OF NITROGEN WASTES, SOME SALTS, AND EXTRA WATER. |
| URINARY BLADDER | MUSCULAR, BAGLIKE ORGAN THAT STORES URINE UNTIL IT LEAVES THE BODY. |