
CHAPTER 8.2 : BREATHING MECHANISM IN ANIMALS
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•
Biology
•
10th Grade
•
Hard
MAAROFF ARSHAD
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16 Slides • 14 Questions
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CHAPTER 8.2: BREATHING MECHANISM IN ANIMALS
Have you ever wondered how they inhale and exhale air?
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Multiple Choice
Recall 1: Name the respiratory structure in insects.
Gills
Lungs
Tracheal system
Moist skin
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Multiple Choice
Recall 2: Which of the following is NOT the respiratory structure of a salamander?
Moist skin
Lungs
Buccal-pharyngeal
Gills
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Multiple Choice
Recall 3: Name the structure that has a large surface area for gaseous exchange in gill?
Gill rakers
Gill arch
Lamella
Opercullum
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Multiple Choice
Q1: Name the structure that controls the movement of air into and out of the tracheal system of an insect.
Abdominal muscle
Trachea
Tracheoles
Wings
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Multiple Choice
Q2: Name the pore found in the insect body that allows the entering of air from the atmosphere?
Stoma
Hydathode
Spiracle
Lenticel
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Multiple Select
Q3: How the carbon dioxide can be released out from the tracheal system?
Abdominal muscle contracts
Abdominal muscle relaxes
Increase air pressure in tracheal system
Decrease air pressure in tracheal system
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Multiple Choice
Q4: Which breathing structure is used in frogs during the inactive state or hibernation?
Moist skin
Lungs
Bucco-pharyngeal
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Multiple Choice
Q5: Which of the following is NOT involved during the inhalation of a frog?
Air enters nostril
Floor of bucco-pharyngeal cavity lowered
Glottis opens
Air pressure increases in lungs
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Multiple Choice
Q6: How the air is forced out from the nostril of a frog?
Mouth opens
Lungs contract
Glottis closes
Air pressure increases in bucco-pharyngeal cavity
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Multiple Select
Q7: What happens during inhalation in a fish?
Mouth opens
Mouth closes
Opercullum opens
Opercullum closes
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Multiple Choice
Q8: Which of the following is NOT involved during inhalation of a fish?
Water is entering through the mouth
Buccal cavity floor is lowered
Pressure in buccal cavity decreases
Opercullum opens
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Multiple Select
Q9: What happens during exhalation in a fish?
Mouth opens
Mouth closes
Opercullum opens
Opercullum closes
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Multiple Choice
Q10: Which of the following is NOT involved during the exhalation of a seahorse?
Water flows through the lamellae for gaseous exhange
Opercullum opens
Pressure increases in buccal cavity
Volume in buccal cavity increases
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Multiple Choice
Bonus: The changes in volume and pressure in the respiratory cavity control the breathing mechanism of humans and animals.
TRUE
FALSE
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CHAPTER 8.2: BREATHING MECHANISM IN ANIMALS
Have you ever wondered how they inhale and exhale air?
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