WorksheetsU9 Respiratory System
Total questions: 44
Worksheet time: 22mins
scroll shaped bones in the nasal cavity that funnel, warm, and humidify incoming air
nasal conchae (turbinates)
goblet cells
vibrissae
alveoli
NOT a function of the respiratory system
transport O2
warm/filter/humidify incoming air
provide O2 for biological processes
olfaction (smell)
regulate blood pH
ventilation
movement of air into & out of lungs
gas exchange between air and capillaries
movement of gases throughout the body using the blood
gas exchange between capillaries and body cells
biological use of O2 by body cells which produces CO2
external respiration
movement of air into & out of lungs
gas exchange between air and capillaries
movement of gases throughout the body using the blood
gas exchange between capillaries and body cells
biological use of O2 by body cells which produces CO2
gas transport
movement of air into & out of lungs
gas exchange between air and capillaries
movement of gases throughout the body using the blood
gas exchange between capillaries and body cells
biological use of O2 by body cells which produces CO2
internal respiration
movement of air into & out of lungs
gas exchange between air and capillaries
movement of gases throughout the body using the blood
gas exchange between capillaries and body cells
biological use of O2 by body cells which produces CO2
cellular respiration
movement of air into & out of lungs
gas exchange between air and capillaries
movement of gases throughout the body using the blood
gas exchange between capillaries and body cells
biological use of O2 by body cells which produces CO2
only site of gas exchange between the air and your blood & the site of external respiration
alveoli
capillaries
bronchioles
nasal cavity
nose/nostrils, nasal cavity, pharynx, larynx
upper respiratory tract
lower respiratory tract
trachea, bronchi, bronchiles, alveoli
upper respiratory tract
lower respiratory tract
which lungs is larger & has 3 lobes?
right lung
left lung
which lungs is smaller & has 2 lobes?
right lung
left lung
cardiac notch
indentation in the right lung that makes room for the heart
indentation in the left lung that makes room for the heart
pink
maxillary sinus
ethmoid sinus
sphenoid sinus
frontal sinus
green
maxillary sinus
ethmoid sinus
sphenoid sinus
frontal sinus
yellow
maxillary sinus
ethmoid sinus
sphenoid sinus
frontal sinus
blue
maxillary sinus
ethmoid sinus
sphenoid sinus
frontal sinus
houses the vocal cords
nasopharynx
oropharynx
larynx
laryngopharynx
false vocal cords (do not make sound)
upper pair of vocal chords
lower pair of vocal cords
true vocal cords (make sound)
upper pair of vocal chords
lower pair of vocal cords
commonly called the Adam's apple
thyroid cartilage
cricoid cartilage
epiglottic cartilage
function of hyaline cartilage rings in the trachea
support & structure
facilitate gas exchange
produce mucus
contract/dilate airways
the distal end of the trachea bifurcates - what does this mean?
splits or forks in 2 directions
closes to prevent entry
dilates/contracts
creates mucus to trap unwatened particles & pathogens(germs)
goblet cell
cilia
vibrissae
turbinates
most common tissue type in the respiratory system
ciliated pseudostratified columnar epithelium
ciliated stratified cuboidal epithelium
keratinized stratified squamous epithelium
simple squamous epithelium
increased volume & decreased pressure of lungs =
inspiration
expiration
decreased volume & increased pressure of lungs =
inspiration
expiration
type of muscle tissue that forms the diaphragm
smooth muscle
skeletal muscle
cardiac muscle
specialized area in medulla oblongata that senses CO2 (and H+) levels in cerebral fluid
central chemoreceptors
peripheral chemoreceptors
specialized area in blood vessels (aorta & carotid arteries) that senses O2 levels in blood & relays this information to the medulla oblongata
central chemoreceptors
peripheral chemoreceptors
high O2 levels in blood causes...
decreased breathing rate
increased breathing rate
low O2 levels in blood causes...
decreased breathing rate
increased breathing rate
low CO2 levels in cerebral fluid causes...
decreased breathing rate
increased breathing rate
high CO2 levels in cerebral fluid causes...
decreased breathing rate
increased breathing rate
O2 enters capillary & CO2 leaves capillary
internal respiration
external respiration
O2 leaves capillary & CO2 enters capillary
internal respiration
external respiration
specific part of the brain in charge of involuntary respiration
medulla oblongata
frontal lobe
hypothalamus
hairs in the nostrils that prevent the entry of large particles and debris
vibrissae
goblet cells
alveoli
respiratory membrane
asthma causes contraction of _______ which causes the airways to narrow
smooth muscle
cardiac muscle
skeletal muscle
alveoli
you can swallow & breathe in at the same time
true
false
what is the pH of blood?
~ 7.4
~ 9.5
~2.8
~ 12.9
breathing rate is primarily controlled by the...
medulla oblongata
frontal lobe
heart
occipital lobe
T or F: the lungs contain immune cells called macrophages
true
false
what are olfactory receptors?
specialized receptors for detecting smell
specialized receptors to sense O2 levels in blood
specialized receptors to sense CO2 levels in CSF
