| A | B |
|---|
| A group of organs that work together to digest food so that it can be used by the body is the __________ system. | Digestive |
| The breaking, mashing, and crushing of food is called ____________ digestion. | mechanical |
| Substances called ___________ break some nutrients into smaller particles your body can use. | enzymes |
| _________ is the hardest material in the body. It protects nerves inside the tooth. | enamel |
| Proteins are chains of smaller molecules called ___________ acids. | amino |
| The _________ squeezes food using muscles while secreting enzymes and acid. | stomach |
| __________ contains an enzyme that begins the chemical digestion of carbohydrates. | saliva |
| The _________ is the largest organ in the body, it makes bile stores and filters blood, and stores excess sugars as glycogen. | liver |
| The __________ is the organ that lies behind the stomach and that makes digestive enzymes and hormones that regulate sugar levels. | pancreas |
| The ______________ is the organ between the stomach and large intestine where most of the breakdown of food happens and most of the nutrients from food are absorbed. | small intestine |
| The __________ is a sac-shaped organ that stores bile produced by the liver. | gallbladder |
| The __________________ is the wider and shorter portion of the intestine that removes water from mostly digested food and that turns the waste into semisolid feces, or stool. | large intestine |
| __________ moves material through the large intestine. | fiber |
| ___________ is the process of removing waste products from the body. | urination |
| ____________ are microscopic filters in the kidney that removes wastes from the blood. | nephrons |
| The __________ are a pair of organs that constantly clean the blood. | kidneys |
| Some beverages contain caffeine, which is a ___________, which makes your body lose fluid quickly. | diuretic |
| Salts and other wastes collect inside the kidneys and form kidney ___________. | stones |
| Your kidneys can be permanently damage the nephrons by bacterial _______________. | infections |
| ___________ is one of the most important substances removed by the nephrons. | urea |
