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WorksheetsScience 5.1 The Respiratory System
Total questions: 24
Worksheet time: 15mins
The air we breathe in is called _____. It contains oxygen, which our bodies need to survive.
inhaled air
Tuberculosis
Blowholes
Came up
When a person with _____ sneezes or coughs into the air, the bacteria spread through the air and can be inhaled by others.
inhaled
bacteria
tuberculosis
carbon dioxide
The function of hair in the nostrils is for _____.
exchanging the oxygen and carbon dioxide
removing dust from the air we breathe in
connecting nose and air tubes
pumping oxygen to the body
Most mammals breathe in oxygen from the air through their breathing holes.
True
False
Which of the following the illnesses related to the respiratory system that caused by an allergy?
tuberculosis
asthma
emphysema
lung cancer
_____ is the gas produce by living things when they carry out their daily activities, especially during breathing (exhalation).
Carbondioxide
Oxygen
Bacteria
Inhaled
The illness happens when cells in the lungs grow and multiply at an abnormal rate. This leads to the growth of tumours. What is the illness?
lung cancer
bronchitis
asthma
emphysema
Insects take in oxygen from the surroundings through their _____ in their bodies.
breathing holes
exhaled
oxygen
came up
What happens to the airtubes and the airsacs when person suffering emphysema?
The airtubes and the airsacs will be swollen
The airtubes and the airsacs filled with mucus
The airtubes and the airsacs get an infection by bacteria
The airtubes collapse and the airsacs enlarge and burst
Mammals such as dolphins and whales live in water. They breath in oxygen through their _____.
blowholes
breathing holes
inhaled
exhaled
This organs are the place where oxygen and carbondioxide exchange in our lungs.
airsacs
windpipe
airtubes
nose
How does frogs and toads breath in oxygen when in water?
Through their moist skin
Through their nostrils
Through their gills
Through their blowholes
Animals such as whales and dolphins live in the water. Unlike fish that stay in the water, these animals need to come up to the water surface regularly. Why do you think they need to do that?
Mammals such as dolphins and whales live in water. They _____ to the water surface regularly to breath in oxygen.
come up
inhaled
exhaled
bacteria
The correct pathway of air when it enters our respiratory system is _____.
Nose → Windpipe → Air sacs
Windpipe → Air sacs → Air tubes
Nose → Windpipe → Air tubes → Air sacs
Windpipe → Air tubes → Air sacs → Blood vessels
Which of the following animals used their nostril for breath in air?
Fish and giraffe
Insect and whale
Giraffe and bird
Frog and earthworm
Tuberculosis is spread by a virus.
True
False
What is the air that we breath in?
nitrogen
carbondioxide
oxygen
hydrogen
The air we breath out contains more _____.
oxygen
nitrogen
carbondioxide and water
hydrogen
The air we breathe out is called (a) .
The process when oxygen break down sugar to produce energy in our body is called _____.
movement
circulation
respiration
digestion
How do insects breathe in oxygen from the air?
Through their nostril
Through their breathing holes
Through their gills
Through their moist skin
Which of the following organ removes dust from the air we breath in?
lungs
nose
windpipe
airtubes
Which of the following organ is not correct in the human respiratory system?
nose
lungs
airsacs
ribcage
