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Week 13 Flashcards
SCI220
| Question | Answer |
|---|---|
| What are the parts of the small intestine? | Ileum, Jejunum, Duodenum |
| What is deglutition? | Swallowing |
| Proper anatomical order of the colon | Ascending, transverse, descending, sigmoid |
| How many layers are in the GI tract? | 4 |
| What is the longest portion of the small intestines? | Ileum |
| What is the primary function of the respiratory system? | To facilitate gas exchange—bringing oxygen into the body and removing carbon dioxide. |
| What is the pathway of air through the respiratory tract? | Nose → Pharynx → Larynx → Trachea → Bronchi → Bronchioles → Alveoli. |
| What structure in the lungs is the main site for gas exchange? | The alveoli. |
| What muscle is responsible for the majority of breathing movements? | The diaphragm. |
| What is the difference between external and internal respiration? | External respiration is gas exchange between the lungs and blood; internal respiration is gas exchange between the blood and body tissues. |