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Bio lab 10
Respiratory & digestive systems
Question | Answer |
---|---|
The thyroid, cricoid, tracheal, & bronchial cartilages are composed of what? | hyaline cartilage |
The epiglottis is composed of what? | elastic cartilage |
What is the function of the respiratory tract cartilages? | keeps airways open |
What covers the surface of the lung? | Visceral pleural |
What covers the inner surface of the thoracic wall? | parietal pleural |
The space between the surface of the lung & the thoracic wall is called the what? | pleural cavity |
The diaphragm is innervated by what nerve? | phrenic nerve |
The external intercostals increase or decrease thoracic volume? | increase |
The external intercostals are muscles of inspiration or expiration? | inspiration |
The abdominal muscles increase or decrease thoracic volume? | decrease |
the abdominal muscles are muscles of inspiration or expiration? | expiration |
The diaphragm increases or decreases thoracic volume? | increases |
The diaphragm is a muscle of inspiration or expiration? | inspiration |
The pectoral minor increases or decreases thoracic volume? | increases |
The pectoral minor is a muscle of inspiration or expiration? | inspiration |
the internal intercostals increase or decrease thoracic volume? | decreases |
The internal intercostals are muscles of inspiration or expiration? | expiration |
What structure regulates the movement of a bolus between the esophagus and the stomach? | lower esophageal sphincter |
What structure regulates the movement of chyme from ileum to duodenum? | pyloric sphincter |
What structure regulates the movement of chyme from the ileum to the cecum? | ileocecal valve |
The luminal epithelia of the GI tract is called what? | Mucosa |
What 2 major layers of smooth muscle are located within the muscularis? | inner circular layer, outer longitudinal layer |
The mesenteries & omentums are folds of what cavity? | visceral cavity |
What covers the surface of the abdominal digestive organs? | The visceral peritonium |
What covers the inner surface of the abdominal wall? | The parietal peritonium |
The space between the inner abdominal wall & the surface of the abdominal digestive organs is called what? | Peritoneal cavity |
What is the shortest segment of the small intestine, receives secretions from the pancreas & liver, & protects itself from gastric acid? | duodenum |
The thin extension of the cecum containing lymphatic tissue is what? | appendix |
The liver & gallbladder secrete what into the duodenum of the small intestine? | bile |