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12 Cards in this Set
- Front
- Back
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What does Medulla Oblongata regulate? |
Vomiting. Breathing. Swallowing. |
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What are the 3 parts of the Pharynx and where are they? |
Oropharynx - Behind mouth.
Nasopharynx - Behind nose.
Laryngopharynx - Throat, extending from mouth down to oesophagus. |
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What is the basic order of the parts in the respiratory system? |
Nose
Pharynx
Larynx
Trachea
Right & Left Main Bronchus
Bronchioles
Terminal Bronchioles
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Functions of the nose. |
Warms air. Moistens air. Detects smell. Filters dust particles from air. |
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What is the nose lined with? |
Ciliated Epithelium - Goblet cells secreting mucus. |
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Larynx |
Voice box. Connects Pharynx and Trachea. |
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Functions of the Pharynx? |
Muscles help with swallowing. Aids hearing. Warms air. Moistens air. Lymphoid tissue produces antibodies. Passageway for food and air. Eustachian tube equalises air pressure. |
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What are Alveoli and what do they do? |
Are air sacs at the end of respiratory tree, surrounded by capillaries. Aids diffusion of Oxygen and Carbon Dioxide. Contains Macrophages (white blood cells). Allows gaseous exchange. |
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What are the lobes of the lungs? |
Right Lung - Superior, Middle, Inferior.
Left Lung - Superior, Inferior. |
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Pleura Membranes surround the lungs - what are the 3 layers? |
Visceral Pleura - Inner layer.
Pleural Cavity - Middle layer. Contains Pleural Fluid.
Parietal Layer - Outside layer. |
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Percentages of gases in atmospheric air? |
Oxygen - 21%
Nitrogen - 78-79%
Carbon Dioxide - 0.04%
Other Gases - 1% |
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What are the normal Respiratory Rates for children? |
Neonate: 60
Infant: 30-40
1 to 2 years: 25-35
2 to 5 years: 25-30
5 to 12 years: 20-25
12 to 18 years: 15-20 |
