Zoo-Lab (Sem-1) - Exercise 23: The Respiratory System

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10 Terms

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respiration

a chemical process occurring within the individual cells for the production of energy

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gaseous exchange

accompanies respiration; involves the taking in of oxygen and the giving off of carbon dioxide

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larynx/voice box; glottis; vocal cords; lungs; visceral pleura; alveoli/air sacs; bronchi

parts of the respiratory tract

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larynx/voice box

a round/ovoid structure with cartilaginous wall; usually covered by some muscles which should be removed

<p>a round/ovoid structure with cartilaginous wall; usually covered by some muscles which should be removed</p>
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glottis

a slit opening of the larynx

<p>a slit opening of the larynx</p>
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vocal cords

a pair of delicate white bands, each located at the side of the glottis; produces sound via vibration

<p>a pair of delicate white bands, each located at the side of the glottis; produces sound via vibration</p>
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lungs

a pair of big thin-walled sacs that are located in the body of the toad or frog at the anterior portion of the pleuro-peritoneal cavity

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visceral pleura

thin outermost covering of the lungs; lined on the outer surface by simple squamous epithelium

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alveoli/air sacs

small thin-walled chambers which fill up the anterior of the lungs; richly supplied with blood capillaries; where gaseous exchange between the lungs and blood occurs; increases surface area of the lungs

<p>small thin-walled chambers which fill up the anterior of the lungs; richly supplied with blood capillaries; where gaseous exchange between the lungs and blood occurs; increases surface area of the lungs</p>
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bronchi

a pair of short tubes from the larynx; each goes up to the lungs; passage of air from the larynx to the lungs and vice versa