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The Digestive System
| Question | Answer |
|---|---|
| The two main functions of the digestive system are digestion and _____. | absorption |
| The innermost layer of the gastrointestinal tract is a mucous membrane known as the _____. | mucosa |
| The major type of muscle in the gastrointestinal tract is _____. | smooth muscle |
| The outer layer of the gastrointestinal trat is known as the serous layer of _____. | serosa |
| The major portion of the mouth consists of a chamber known as the _____. | oral cavity |
| On either side of the tongue within the tongue papillae are a series of _____. | taste cavity |
| In a permanent set of teeth, the full number is _____. | thirty-two |
| The three basic regions of a tooth include the crown, the neck, and the _____. | roots |
| Within the cheeks of the head, below the ears is the largest salivary gland known as the _____. | parotid |
| The lymphatic tissues located on the soft palate are called _____. | tonsils |
| Food passes into the stomach from the pharynx to a tube known as the _____. | esophagus |
| Swallowing is a process more correctly known as _____. | deglutition |
| The series of wavelike contractions that brings food into the stomach is called _____. | peristalsis |
| The circular smooth muscle at the beginning of the stomach is the lower esophageal of cardiac sphincter, while the circular smooth muscle at the end of the stomach is the _____. | pyloric sphincter |
| The narrow, far region of the stomach is the _____. | pylorus |
| The most important acid for digestion taking place in the stomach is _____. | hydrochloric acid |
| In the stomach, food is converted to a soupy mixture known as _____. | chyme |
| A variety of enzymes enter the duodenum from a large gland known as the _____. | pancreas |
| Before fats can be digested into their component fatty acids, they must be broken into smaller globules by the liver substance called _____. | bile acids |
| The second part of the small intestine and place where most absorption occurs is the _____. | jejunum |
| The short wormlike extension of tissue found near where the small and large intestines meet is called the _____. | appendix |
| The last few inches of the colon that terminates at the anus is the _____. | rectum |
| A major function of the large intestine is to reabsorb ions and _____. | water |
| The largest gland in the body and source of bile is the _____. | liver |
| For use in the digestive process, bile is stored in the sac called the _____. | gallbladder |
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