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WorksheetsRespiration
Total questions: 50
Worksheet time: 28mins
These organs help our body to breath except
Nasal cavity
Lungs
Trachea
Mouth
Which of the following processes transport oxygen from the alveoli into the capillaries?
Respiration
Inhalation
Exhalation
Diffusion
During exhalation, what will happen to these respiratory organs?
Diaphragm moves downward and flatten
Rib cage moves upwards and outwards
intercostal muscles relax
Intercostal muscles contract
When inhalation
Thoracic cavity become smaller
The air pressure in the thoracic cavity increases
The air pressure n the thoracic cavity decreases
Air is pushed out
The composition of the oxygen in inhaled air is
21%
16%
4%
0.04%
The composition of carbon dioxide in exhaled air is
79%
21%
4%
0.04%
What is diffusion process?
Molecules move from a region of lower concentration to a region of higher concentration
Molecules move from a region of higher concentration to a region of lower concentration
State the products of respiration in the body cells?
Oxygen, carbon dioxide and water
glucose, oxygen and water
carbon dioxide, water and oxygen
carbon dioxide, water and energy
Following are the characteristics of alveoli that make it efficient for gaseous exchange except:
Thin wall of blood capillaries
small surface area of alveoli
Moist wall of alveoli
Dense netword of blood capillaries
What is the name of the compound found in the red blood cells
Oxyhaemoglobin
Haemoglobin
Hormones
Enzymes
upper part of respiration, throat area
larynx
pharynx
trachea
lungs
contains the vocal chords/voice
mouth
trachea
bronchioles
larynx
main tube in respiration
lungs
trachea
alveoli
bronchial tubes
2 tubes entering the lungs
pharynx
larynx
bronchial tubes
bronchioles
smaller branches in lungs
pharynx
epiglottis
bronchioles
alveoli
protects from choking
pharynx
epiglottis
larynx
trachea
exchange of gases
bronchial tubes
alveoli
larynx
pharynx
Gas exchange is needed to supply _____________ to cells and remove __________________
carbon dioxide; oxygen
oxygen; food
oxygen; carbon dioxide
carbon dioxide; water
What is the main function of the respiratory system?
to provide oxygen and remove carbon dioxide from the body
to bring oxygen to the body
to break down food and absorb nutrients
to remove oxygen from the body and deliver carbon dioxide
I. High surface area
II. Thin walls
III. Dry surfaces
The air sacs that are covered with capillaries where gas exchange takes place.
Bronchi
Trachea
Oxygen
Alveoli
Name the structure through which gases enter and leave the body of an insect.
tracheoles
alveoli
lungs
spiracles
what is found around alveoli?
capillaries
pleura
lymphatic nodes
saliva
How breathing is controlled?
medulla oblongata
cardiac muscle
lungs
capillaries
What is sign for brain to send impulse for breathing?
high CO2 level
low CO2 level
high O2 level
high blood concentration
Diaphragm is
part of lungs
muscle that helps in breathing
throat muscle
structure in bones
Which of the following is not happening during inhalation?
the diaphragm contracts
the rib cage rises up
expands the volume of the chest cavity
diaphragm is relaxing
Which of these substances that are harmful to respiratory system
Carbon monoxide
Sulphur dioxide
Nitrogen dioxide
Dust
Why are forest commonly known as "green lungs"?
Cigarette tar is normally labelled as "tar" which is acronym for "total aerosol residue"
True
False
Cigarette tar increase the production of
Mucus
Saliva
Phlegm
Pheromone
Carbon monoxide combine with haemoglobin become ...
Carbohaemoglobin
Carboxyhaemoglobin
Carbomonohaemoglobin
Carboxymonohaemoglobin
Sulphur dioxide normally produced by
Combustion of coal
Exhaust of motor vehicles
Combustion of fuel
Open burning
Name of a gas that has pungent smell and brown-coloured gas
Carbon monoxide
Sulphur dioxide
Nitrogen dioxide
Hydrogen dioxide
Asthma is triggered by the presence of
Dust
Pollen
Haze
Cigarette smoke
Open burning
Respiratory disease caused by carcinogens
Asthma
Bronchitis
Emphysema
Lung cancer
Observations on effects of smoking on the lungs
White cotton wool turns dark-yellow
White cotton wool turn brick red
Universal indicator turn yellow
Universal indicator turn green
What is meant by passive smoker?
The tiny hairs in your nose obstruct what?
Air
Water
Dust
Food
What is another name for your windpipe?
Trachea
Sternum
Diaphram
Carotid
If your epiglottis were to suddenly stop working, what activity could be life threatening?
Breathing
Coughing
Eating
Walking
The nostrils, larynx and trachea are all made primarily of:
bone.
cartilage.
muscle.
tendons.
Barbara has asthma and uses an inhaler when she starts to wheeze. The purpose of the
device is to:
contract blood vessels.
dissolve mucus.
enlarge the bronchioles.
liquefy secretions in the lungs.
Mr. Arnold is a heavy smoker, has a chronic cough, bluish tint to his skin, and a barrel chest.
He MOST LIKLEY suffers from:
Emphysema.
Epistaxis.
Pleurisy.
Tuberculosis.
What statement is true about lung cancer?
It is the leading cause of cancer death in men and women.
Second hand smoke rarely contributes to the development of lung cancer.
The prognosis is good.
Treatment includes hormone therapy and blood transfusions.
