Question | Answer |
calorie | a unit used to measure energy |
mucus | a substance that coats and protects the inside of the stomach |
pancreas | the digestive organ that releases enzymes that help break down starches, proteins, and fats in the small intestine |
water | the nutrient that is needed in order for all body processes to take place |
digestion | the process in which your body breaks down food into small nutrient molecules |
peristalsis | the process that involves muscle contractions that move food through the esophagus, stomach, small intestine, and large intestine |
food | the energy your body needs comes from |
saliva | the substance in the mouth that contains an enzyme that begins chemical digestion |
calorie | the amount of energy required to raise the temperature of one gram of water by one Celsius degree |
villi | the structures that enable the small intestine to absorb large amounts of nutrients |
proteins | the nutrients made up of amino acids |
liver | the organ that produces bile |
small intestine | the part of the body where most chemical digestion takes place |
large intestine | where water is absorbed from undigested food |
human's body weight | made up of 65% water |
the human body normally needs in a day | 2 liters of water |
gall bladder | stores the bile produced by the liver |
esophagus | carries food to the stomach |
according to the Food Guide Pyramid, which group should make up the largest part of a person's diet | bread, cereal, rice, and pasta |
the six nutrients needed by the body are | carbohydrates, fats, proeings, vitamins, minerals, and water |
the functions of the digestive system are | break down food into molecules the body can use; absorb food molecules into the blood; eliminate undigested wastes from the body |
according to the Food Guide Pyramid, which group should be eaten in very limited amounts | fats, oils, and sweets |