BHSC 1200 CH22 THE RESPIRATORY SYSTEM
The upper respiratory system consists of ____, ____ ____, ____ ____, ______, -
Answers :nose, nasal cavity, oral cavity, pharynx
Lower respiratory system consists of ____, ____, _____, ____, - Answers :larynx,
trachea, bronchi, lungs
Functions of the respiratory system? - Answers :gas exchange, regulation of blood ph,
voice production, olfaction, heat and moisture
(difference b/w ventilation & respiration) Pulmonary Ventilation is the action of
________. Controlling the flow in and out of lungs - Answers :breathing
(difference b/w ventilation & respiration) Cellular Respiration is the exchange of ______
( o2 & Co2) with blood. - Answers :Gases
External respiration the exchange of gases between blood capillaries and the _______
_______ spaces - Answers :alveolar air
Internal respiration is the exchange of gases between blood capillaries and ______ -
Answers :tissues
(diff b/w conducting and respiration zones) Conducting zone is where air is travelling
from nasal cavity to _______ _______. (no gas exchange) - Answers :terminal
bronchioles
(diff b/w conducting and respiration zones) Respiratory zone is where gas exchange
occurs between respiratory bronchioles and _______. - Answers :alveoli
Upper repiratory tract has _______ _______ to act as a defence to inhaled pathogens -
Answers :specialized cells
Lower repiratory tract contain _____ _____ to ensure open air flow, _____ _____ _____
that encurcle lumen of bronchioles to control air flow. It also has thing alveolli walls and
a great surface area. - Answers :cartilage rings, smooth muscles cells
(mucocilary defences) ______ forms a layer over the epithelium to trap debris, inhaled
dust, bateria and other irritants - Answers :mucus
(mucocilary defences) _____ beat to propel the mucus toward the pharynx - Answers
:cilia
, The cough reflex happened when _____ _____ are stimulated which causes coughing -
Answers :irritant receptors
_____ antibodies protect mucosal tissue from microbial invasion in respiratory
secretion. (snot) - Answers :iga
The pharynx has 3 divisions the ______ (nose) , ______ (mouth) and _______ (throat).
- Answers :nasopharynx, oropharynx, laryngopharynx
Alveolar macrophages ____ any small particles that reach the alveoli - Answers :engulf
5 functions of the nose - Answers :1. Provides an airway for respiration
2. Moistens and warms entering air
3. Filters and cleans inspired air
4. Serves as resonating chamber for speech
5. Houses olfactory receptors
The external openings of the nose, the ______ or nares, are bounded laterally by the
flared alae. - Answers :nostrils
The nasal cavity is divided by a midline _______ ______, formed anteriorly by the
septal cartilage and posteriorly by the vomer bone and perpendicular plate of the
ethmoid bone - Answers :nasal septum
The nasal cavity is continuous posteriorly with the nasal portion of the pharynx through
the _____ _____ _____, also called the choanae - Answers :posterior nasal apertures
Anteriorly, where the palate is supported by the palatine bones and processes of the
maxillary bones, it is called the (hard/soft )_____ palate. The unsupported posterior
portion is the muscular (hard/soft) ____ palate - Answers :hard, soft
The part of the nasal cavity just superior to each nostril, called the nasal vestibule, is
lined with skin containing ______ and _____ glands and numerous hair follicles. -
Answers :sebaceous and sweat glands
The hairs, or ______ , filter coarse particles (dust, pollen) from inspired air - Answers
:vibrissae
The rest of the nasal cavity is lined with what two types of mucous membrane? _______
and ______ mucosa - Answers :olfactory and respiratory mucosa
The _____ mucosa contains smell receptors in its olfactory epithelium - Answers
:olfactory
The _____ mucosa lines most of the nasal cavity and contains goblet cells that supplies
with seromuscous nasal glands - Answers :respiratory
The upper respiratory system consists of ____, ____ ____, ____ ____, ______, -
Answers :nose, nasal cavity, oral cavity, pharynx
Lower respiratory system consists of ____, ____, _____, ____, - Answers :larynx,
trachea, bronchi, lungs
Functions of the respiratory system? - Answers :gas exchange, regulation of blood ph,
voice production, olfaction, heat and moisture
(difference b/w ventilation & respiration) Pulmonary Ventilation is the action of
________. Controlling the flow in and out of lungs - Answers :breathing
(difference b/w ventilation & respiration) Cellular Respiration is the exchange of ______
( o2 & Co2) with blood. - Answers :Gases
External respiration the exchange of gases between blood capillaries and the _______
_______ spaces - Answers :alveolar air
Internal respiration is the exchange of gases between blood capillaries and ______ -
Answers :tissues
(diff b/w conducting and respiration zones) Conducting zone is where air is travelling
from nasal cavity to _______ _______. (no gas exchange) - Answers :terminal
bronchioles
(diff b/w conducting and respiration zones) Respiratory zone is where gas exchange
occurs between respiratory bronchioles and _______. - Answers :alveoli
Upper repiratory tract has _______ _______ to act as a defence to inhaled pathogens -
Answers :specialized cells
Lower repiratory tract contain _____ _____ to ensure open air flow, _____ _____ _____
that encurcle lumen of bronchioles to control air flow. It also has thing alveolli walls and
a great surface area. - Answers :cartilage rings, smooth muscles cells
(mucocilary defences) ______ forms a layer over the epithelium to trap debris, inhaled
dust, bateria and other irritants - Answers :mucus
(mucocilary defences) _____ beat to propel the mucus toward the pharynx - Answers
:cilia
, The cough reflex happened when _____ _____ are stimulated which causes coughing -
Answers :irritant receptors
_____ antibodies protect mucosal tissue from microbial invasion in respiratory
secretion. (snot) - Answers :iga
The pharynx has 3 divisions the ______ (nose) , ______ (mouth) and _______ (throat).
- Answers :nasopharynx, oropharynx, laryngopharynx
Alveolar macrophages ____ any small particles that reach the alveoli - Answers :engulf
5 functions of the nose - Answers :1. Provides an airway for respiration
2. Moistens and warms entering air
3. Filters and cleans inspired air
4. Serves as resonating chamber for speech
5. Houses olfactory receptors
The external openings of the nose, the ______ or nares, are bounded laterally by the
flared alae. - Answers :nostrils
The nasal cavity is divided by a midline _______ ______, formed anteriorly by the
septal cartilage and posteriorly by the vomer bone and perpendicular plate of the
ethmoid bone - Answers :nasal septum
The nasal cavity is continuous posteriorly with the nasal portion of the pharynx through
the _____ _____ _____, also called the choanae - Answers :posterior nasal apertures
Anteriorly, where the palate is supported by the palatine bones and processes of the
maxillary bones, it is called the (hard/soft )_____ palate. The unsupported posterior
portion is the muscular (hard/soft) ____ palate - Answers :hard, soft
The part of the nasal cavity just superior to each nostril, called the nasal vestibule, is
lined with skin containing ______ and _____ glands and numerous hair follicles. -
Answers :sebaceous and sweat glands
The hairs, or ______ , filter coarse particles (dust, pollen) from inspired air - Answers
:vibrissae
The rest of the nasal cavity is lined with what two types of mucous membrane? _______
and ______ mucosa - Answers :olfactory and respiratory mucosa
The _____ mucosa contains smell receptors in its olfactory epithelium - Answers
:olfactory
The _____ mucosa lines most of the nasal cavity and contains goblet cells that supplies
with seromuscous nasal glands - Answers :respiratory
