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WorksheetsRespiration System
Total questions: 12
Worksheet time: 6mins
Gaseous exchange takes place in the following structures except
Tracheae
Lungs
Alveoli
Chloroplast
Respiration is an essential life process providing the living cells with ____
Oxygen
Sugars
Energy
Carbon dioxide
Generally, Plants use ____and ____ for exchange of gases
(a)
Cutaneous respiration in Toad is through one the following organs
Skin
Mouth
Lungs
Alveoli
Exchange of gases in Man takes place via the ____
Trachea
Alveoli
Skin
Larynx
A flat piece of tissue that prevents food particles from entering into the larynx and trachea is_____
Epiglottis
Pharynx
Nose
Cilia
A respiratory surface must have the following characteristics. Thick the correct answers.
Moist
Impermeable to gases
Permeable to gases
Must have a large surface area
Gill chambers in the fish consists of the following except____
Gill filament
Gill raker
Gill arch
Operculum
Exchange of gases in the fish takes place in the
(a)
Inhalation makes the diaphragm to _____
Relax
Contract
assumes a dome shape
The diaphragm separates the
Thoracic cavity from the abdominal cavity
Protects the thoracic cavity
During exhalation, When carbon dioxide is expelled out of the body, the diaphragm ____
Contracts and becomes flattened
Relaxes and assumes a dome shape
