What is a gas exchange?
A. the exchange of a substance or heat between two fluids flowing in opposite directions
B.The uptake of the molecular oxygen from the environment and the discharge of carbon dioxide to the environment
C. pressure that is exerted by a particular gas in a mixture of gases
B. The uptake of the molecular oxygen from the environment and the discharge of carbon dioxide to the environment
100
A network of air tubes that branch through out the body
A. Tracheal system
B. Bronchi
C. surfactant
A. Tracheal system
100
The tidal volume during maximal inhalation and exhalation is the __ __
A. Residual Volume
B. Tidal Volume
C. Vital Capacity
C. Vital capacity
100
___ ___ is about 3.4L and 4.8L for college aged women and men.
A Tidal volume
B. Vital capacity
C. Residual volume
B. Vital capacity
100
The air that remains after a forced exhalation is __ __
A. Tidal volume
B. Residual volume
B. Residual volume
200
What is partial pressure?
A. a network of air tubes that branch throughout the body
B. an infolded respiratory surface of a terrestrial vertebrae, land snail, or spider that connects the atmosphere
C. The pressure exerted by a particular gas in a mixture of gases
C. The pressure exerted by a particular gas in a mixture of gases
200
When food is swallowed the ___ moves upward and tips the epiglottis over the glottis.
A. Pharynx
B. Trachea
C. Surfactant
D. Larynx
D. Larynx
200
The volume of air inhaled and exhaled with each breath is__ ___
A. Tidal volume
B. Vital capacity
C. Residual volume
A. Tidal volume
200
A sheet of skeletal muscles that forms the bottom wall of the cavity
A. Rib muscles
B. Diaphragm
B. Diaphragm
200
Rings of __ keep the tracheae open and air flow
A. Mitochondria
B. Muscle fiber
C. Chitin
C. Chitin
300
What is countercurrent exchange?
A. the exchange of the substance or heat between two fluids flowing in opposite directions
B. Movement of the respiratory surface that maintains partial pressure
A. the exchange of the substance or heat between two fluids flowing in opposite directions
300
The glottis is the opening of the__
A. Trachea
B. Alveoli
C. Lungs
A. Trachea
300
Expanding the ___ during inhalation involves the animals rib muscles
A. Diaphragm
B. Sternum
C. Thoracic cavity
C. Thoracic cavity
300
The gills of a sea star are simple ___ projections of the skin.
A. Round
B. Square
C. Tubular
C. Tubular
300
These circulate with your blood or hemolymph and are often contained within special cells
A. Blood tissue
B. Respiratory pigments
C. White blood cells
B. Respiratory pigments
400
What is alveoli?
A. an infolded respiratory surface of a terrestrial vertebrae, land snail, or spider that connects the atmosphere
B. the portion of the respiratory tract containing the vocal cords
C. air sacs clustered at the tips of the tiniest bronchioles
C. air sacs clustered at the tips of the tiniest bronchioles
400
The trachea branches into two__
A. Bronchioles
B. Bronchi
C. Alveoli
B. Bronchi
400
An amphibian such as a frog ventilates its lungs by
A. Positive pressure breathing
B. Negative pressure breathing
A. Positive pressure breathing
400
The respiratory pigment of almost all vertebrates and many invertebrates is __
A. Hemoglobin
B. Blood tissue
A. Hemoglobin
400
A fish continuously pumps water through its mouth and over ____ using coordinated movements of the jaw and ___.
A. Gill bones, operculum
B. Gill flaps, gill covers
C. Gill arches, operculum
C. Gill arches, operculum
500
What is trachea
A. one of our breathing tubes
B. the portion of the respiratory tract that passes from the larynx to the bronchi
C. decreases surface tension in the fluid
B. the portion of the respiratory tract that passes from the larynx to the bronchi
500
Alveoli produce a mixture of phospholipids and proteins, ___, that coat the alveoli and reduce surface tension
A. Mucus
B. Surfactant
500
The ____ leads to the ____, an intersection where the paths for air and food cross.
A. Larynx, nasal cavity
B. Nasal cavity, pharynx
C. Larynx, trachea
B. Nasal cavity, pharynx
500
Human legs contain millions of ___
A. Cilia
B. Particulates
C. Alveoli
C. Alveoli
500
CO2 production is greater, hemoglobin releases more O2, which can then be used to support more cellular respiration.
A. Carbon dioxide transport
B. Bohr shift
C. Net diffusion