| #1 | The building blocks of proteins are _____
a). vitamins b), minerals c), amino acids d). fats |
c). amino acids |
| #2 | __________ are nutrients that are not made by living things |
Minerals |
| #3 | A person who does more physical activity has (more / less) energy needs and should eat (more / less) calories. |
More, more |
| #4 | The amount of nutrients you need each day can be found in the
a). serving size b). MyPyramid Plan c). Calories d). Dietary Reference Intake |
d). Dietary Reference Intake |
| #5 | The _________ on two food labels show which food has more iron |
Percent Daily Values |
| #1 | Mechanical digestion begins in the _____
a). Liver b). Mouth c). Esophagus d). Small Intestine |
b). Mouth |
| #2 | ____________ is the involuntary contraction of muscles that pushes food forward |
Peristalsis |
| #3 | How does mucus affect food in the digestive system? |
Mucus makes food move easily and protects the stomach lining cells from stomach acid. |
| #4 | Bile is produced by the ____
a). liver b). gallbladder c). pancreas d). small intestine |
a). liver |
| #5 | Most of the materials are absorbed into the blood in the _________ intestine |
small |
| #1 | As material moves through the large intestine, water is absorbed into the bloodstream. The remaining material is ready for __________ from the body |
elimination |
| #2 | What are the six nutrients your body requires to be healthy? |
Fats, vitamins, minerals, carbohydrates, protein, and water |
| #3 | Most _____________ and the absorption of nutrients takes place in the small intestine
a). mechanical digestion b). chemical digestion c). elimination d). Glucose |
a). chemical digestion |
| #4 | Your mouth, _______, and stomach are the organs in which mechanical digestion is completed and chemical digestion begins. |
esophagus |
| #5 | What are the three main functions of the digestive system? |
digestion, absorption, and elimination. |
| #1 | The flap of skin that prevents food and water from accidentally going down your windpipe is called the __________ |
epiglottis |
| #2 | According to the Food Pyramid, which group should be eaten in very limited amounts?
a. grains such as wheat, rice, and oats b. vegetables c. milk, yogurt, and cheese d. fats and oils |
d). fats and oils |
| #3 | What structures increase the area of the small intestine and enable it to absorb large amounts of nutrients?
a. villi c. liver b. pancreas d. gallbladder |
a). villi |
| #4 | Which process takes place in the large intestine?
a. Water is added to undigested food. b. Water is absorbed from undigested food. c. Digested nutrients are absorbed through the villi. d. Enzymes are added to complete chemical digestion. |
b). Water is absorbed from undigested food |
| #5 | Explain how your mouth helps to digest food. |
Your mouth crushes, tears, and rips food into small pieces so that it can be swallowed. Your mouth produces saliva and covers the food with saliva so that it is easier to chew and swallow. |
| #1 | What is organ A?
What is organ B?
What is organ G? |
A = esophagus
B = stomach
G = Liver |
| #2 | Explain how the liver and pancreas function in the digestion of food. |
The liver makes bile. The pancreas makes enzymes. |
| #3 | Where in the digestive system does the absorption of nutrients take place? |
the small intestine |
| #4 | ________ is the major source of energy of your body's cells
a). fats b). proteins c). glucose d). pancreas |
c). glucose |
| #5 | Identify three reasons your body needs food. |
Your body needs food to grow, to repair tissues, and to have energy. |
| Final Question | |
What is the role of the mouth, esophagus, and stomach? |
The role of the mouth, esophagus, and stomach is to mechanically digest food and to begin chemical digestion of food. |