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WorksheetsHUMAN RESPIRATION
Total questions: 15
Worksheet time: 8mins
What is the gas inhaled by human?
carbon dioxide
oxygen
carbon monoxide
air
Which of the following are the chemicals that contain in the cigarette smoke?
Tobacco tar & Carbon monoxide
Sulphur dioxide & Carbon monoxide
Sulphur dioxide & Carbon monoxide
Sulphur dioxide & Nitrogen dioxide
Based on the diagram, which statement is CORRECT?
When balloon expand, air pressure in the bell jar increases
When balloon expand, volume of bell jar increases
When balloon expand, air forces out from the balloon
When balloon expand it is exhalation process
It is a tiny air sacs and looks like a bunch of grape. What is the structure?
blood capillary
lung
alveoli
bronchus
Based on the diagram, name B?
Trachea
Larynx
Bronchus
Lung
Based on the diagram, name D.
Bronchus
Alveoli
Bronchiole
Diaphragm
During exhalation, the rib cage ....
downwards and outwards
downwards and inwards
upwards and inwards
upwards and outwards
Gaseous exchange between carbon dioxide and oxygen occurred here. What is the structure?
Alveoli & blood capillaries
Alveoli & body tissues
Blood capillaries & red blood cells
Red blood cells & body tissues
When pushed upward rubber sheet ..........
balloon contract
balloon expand
balloon explode
balloon deflate
Y shape glass tube represent our ...............
Trachea
Lungs
Diaphragm
Bronchus
Amphibia like a frog, respiration process occurs through ..............
moist skin & lungs
moist skin & trachea
moist skin
lungs
Why does cell respiration and photosynthesis rely on each other?
They are the same process
Cell respiration must occur first, then photosynthesis
They are opposites, meaning the products of one process is needed by the other process
Photosynthesis must occur first, then cell respiration.
During inhalation process, what will happen to diaphragm?
Become shrink
Become flatten
Become curves inwards
Become curves upwards
Choose the CORRECT path of oxygen inhaled by human the our body.
nose -> bronchus -> trachea -> bronchiole -> alveolus
nose -> trachea -> bronchiole -> alveolus -> bronchus
nose -> trachea -> bronchus -> bronchiole -> alveolus
nose -> trachea -> bronchiole -> bronchus -> alveolus
State TWO characteristics of alveoli that can increase the efficiency of the gases exchange.
Less number of alveoli
A few of blood capillaries
Thick wall & moist surface
Thin wall & moist surface
