| A | B |
|---|
| nutrient | a substance in food that the body uses for energy, for growth and repair, or working well |
| digestion | the changing of food into forms that the body can use |
| saliva | the liquid in the mouth that makes chewed food wet and begins digestion |
| enzyme | a chemical that helps your digestive system change food into nutrients |
| esophagus | the tube that carries food and liquids from the mouth to the stomach |
| small intestine | the organ of the digestive system in which most digestion takes place |
| Food changes both | chemically and physically. |
| How long is the journey to move food through the digestive system? | 12 to 24 hours |
| The large and small intestine are both found in | the lower abdomen. |
| What kind of tubes would describe both the small and large intestine? | curled up or coiled |
| Which intestine is longer and thinner? | the small |
| Which intestine is wider and by how much? | The large intestine is twice as wide as the small. |
| Where does MOST digestion take place? | in the small intestine |
| Which intestine stores solid waste until it leaves the body? | the large |
| Which intestine removes liquid from undigested food? | the large |
| Where are most of the nutrients absorbed? | in the small intestine |
| Name 3 things that cells do with nutrients they get from food. | Help you grow, make repairs, and work well |
| peristalis | squeezing of muscles in esophagus, which pushes food to stomach (about 7 seconds) |
| chyme | pulpy, yellow liquid in stomach |
| indigestion | one or more symptoms, such as stomachache, that occur when the body has difficulty digesting food |
| large intestine | removes much of the liquid from undigested food from the small intestine |
| What are some SYMPTOMS of indigestion? | stomach ache, heartburn (burning in the esophagus), and cramps |
| What can CAUSE indigestion? | overeating, not chewing food well, eating when upset, eating too fast, and eating spicy foods |
| How can you prevent digestive problems? | try not to overeat, chew food well, calm down before eating, slow down when eating, and avoid spicy foods |
| How can you prevent food poisoning? | wash your hands before eating, use clean dishes and utensils, and eat only properly cooked food |
| What are 3 ways to help the digestive system work its best? | eat a healthy diet, drink plenty of water, and exercise regularly |
| villi | tiny, hair-shaped parts of the small intestine that absorb nutrients from the chyme |
| molars | wide, flat back teeth |
| incisors | sharp, front teeth |
| taste buds | on your tongue and they tell you how food tastes |
| solid waste | what is left in the large intestine and leaves the body (end of the digestive cycle) |
