Respiratory system connect pt 1 Flashcards
Which of the following increases the surface area available for gas exchange among various organisms?
finely divided inner lung surface in mammals
tubular body shape, as in annelids
finely divided gills in fish
flattened body, as in planarians
all
Which of these organisms is able to use several body surfaces, such as gills, skin, and lungs, for respiration?
amphibians
Ventilation includes both…
Both inspiration and expiration.
In small aquatic animals, such as hydra and planarians, the most common structure used for gas exchange is the
body surface.
In order to maximize diffusion across the surfaces of a gill, oxygen-rich water flows in the opposite direction of oxygen-poor blood. This concept is called
countercurrent flow.
The grasshopper is a terrestrial animal that uses its ________ in respiration.
tracheae
The exchange of gases between the lungs and the blood occurs by
diffusion.
Trace the path of an inhaled air molecule in a human being. (8)
nasal cavity-pharynx-glottis-larynx-trachea-bronchi-bronchioles-alveoli
Carbon dioxide enters the bloodstream from the___ It then combines with ____ to form _____ but most of it is carried in the form of___
tissues,hemoglobin, carbaminohemoglobin, bicarbonate.
Which part of the respiratory system is an air tube held open by a series of C-shaped cartilaginous rings?
trachea
Which of the following respiratory disorders might be cured in the future through the use of gene therapy?
Cystic fibrosis
chronic, incurable lung disorder in which the alveoli distend and the surface for gas exchange is reduced
Emphysema
symptoms include coughing, shortness of breath and blood in the sputum
Lung cancer
Pulmonary fibrosis
fibrous connective tissue builds up in the lungs preventing them from inflating properly
is a viral, bacterial or fungal infection that cause the bronchi to fill with pus and fluid
Pneumonia
