Structures
This structure divides the nose into right and left nasal cavities
Septum
Air is more humidifed/filtered through the nose because of the...
Nasal Conchae
True or False: Nerve endings for smell are located in the nasal mucosa
True
We produce how much mucous in a typical, healthy day?
125 mL
Eupnea
The nose, pharynx, larynx make up the...
Upper Respiratory Tract
What are the 3 parts of the pharynx?
nasopharynx, oropharynx, laryngopharyx
Name 3 of the 5 functions of the respiratory system
Air distribution, gas exchange, Filters/warms/humidifies air, speech/sound production, olfaction
The pitch of sound is determined by what...
Tightness of vocal chords stretched across the larynx
The average resting respiratory rate is:
12-18
The trachea, bronchial tree and lungs make up the...
Lower Respiratory Tract
Exchange of gas between air outside and lungs
Pulmonary Ventilation
This function helps us to smell things (the scientific word)
Olfaction
O2 and CO2 move between outside, lungs and blood because of...
Diffusion
The largest amount of air we can expire
Vital Capacity
Name 3 of the 4 pairs of paranasal sinuses
Frontal, maxillary, sphenoidal, ethmoidal
What is the chemical that Oxygen and Carbon Dioxide attach themselves to when carried through the blood?
Hemoglobin
What is the stuff that keeps the alveoli open when breathing (most important in preemies)
Surfactant
This is the part of the respiratory tract where Oxygen and Carbon Dioxide actually diffuse
Alveoli
Name the muscles of Expiration
Abs and Internal Intercostals
Name the 2 divisions of the Pleura and differentiate between them
Visceral (lungs) and Parietal (chest cavity)
Oxygen is often carried through the blood stream as...
Oxyhemoglobin
Explain in detail why smokers cough occurs
Smoke paralyzes cilia so mucous gets stuck
Name 2 of the 3 respiratory receptors that control how often/deeply we breathe
Cerebral Cortex, Chemoreceptors, Pulmonary Stretch Receptors
What stimulates the muscles of Inspiration
Phrenic Nerve