Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Science Test Unit 1
| Term | Definition |
|---|---|
| Carbohydrates | The main source of energy for the body. |
| Fat | These contain twice as much energy as any other nutrient, cushions your organs, and supports your internal organs. They also help insulate your body from the cold |
| Calorie | The amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius |
| Proteins | Nutrient composed of amino acids and used for tissue growth and repair, and play an important part in chemical reactions within cells. |
| Vitamins | The 13 nutrients needed in very small amounts that act like helper molecules. |
| Minerals | Nutrients that do not come from living things and are necessary, to carry out vital chemical processes in the body. |
| Water | An essential nutrient that makes up the majority of a person's weight and is needed to carry out almost all of the body's processes. |
| Enzymes | Proteins designed to carry out and speed up chemical reactions in living things. |
| Esophagus | An organ that is about 10 inches long, made out of muscles and carries food from your mouth to your stomach. |
| Peristalsis | A series of muscles contractions that helps move food through the digestive tract. |
| stomach | A J-shaped muscular pouch were the majority of mechanical digestion and the partial digestion of proteins take place. |
| Small Intestine | An organ where the majority of chemical digestion takes place and the site where nutrients are passed into the bloodstream. |
| Villi | Tiny finger shaped folds and bumps that cover the inner surface of the small intestine. |
| Liver | An organ that aids in over 500 body processes. It creates a substance called bile to help digestion. |
| Gall Bladder | A small organ that stores bile, and releases it as needed after eating a meal. |
| Pancreas | An organ that aids in digestion by producing enzymes that break down starches, proteins, and fats and sends those enzymes into the small intestine to digest food. |
| Large Intestine | Organ that receives the waste products of undigested food and prepares them for elimination from the body, and houses a host of healthy bacteria that produce essential vitamins. |
| The 6 Basic Nutrients | Carbohydrates, Fats, Proteins, Vitamins, Minerals, and Water |
| Amylase | An enzyme that breaks down carbohydrates |
| Epiglottis | A flap of skin that closes when you swallow to prevent food from going down the windpipe |
Created by:
Meira L
Popular Science sets