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WorksheetsHuman Respiratory System
Total questions: 60
Worksheet time: 2hrs 31mins
Diagram shows a model of human respiratory system. K represents....
lung
rib cage
diaphragm
thoracic cavity
Epiglottis is the structure that opens or closes the trachea.
TRUE
FALSE
Exchange of gases in the body cells occurs in the bronchioles.
TRUE
FALSE
What is X?
Trachea
Bronchus
Bronchiole
Epiglottis
Which is the correct air passage in the breathing mechanism?
Nostril, nasal cavity, pharynx, larynx, trachea, bronchus, bronchiole, alveolus
Nostril, nasal cavity, larynx, pharynx, trachea, bronchus, bronchiole, alveolus
Nostril, nasal cavity, pharynx, larynx, trachea, bronchiole, bronchus, alveolus
Nostril, nasal cavity, trachea, larynx, pharynx, bronchus, bronchiole, alveolus
Name structure Y.
Trachea
Bronchus
Bronchiole
Alveolus
"Movements of the rib cage and diaphragm make the thoracic cavity smaller and cause the air pressure in the thoracic cavity to increase"
The situation happens during....
inhalation
exhalation
excretion
blood circulation
Which diagram best illustrates the function of an alveolus?
Air is a mixture of different gases.
The components of air are oxygen, nitrogen, carbon dioxide, water vapour and other gases
True
False
NUMBER 1 is
Lungs
Pharynx
Mouth
Alveoli
NUMBER 2 is
Pharynx
Bronchi
Alveoli
Lungs
NUMBER 3 is
Pharynx
Trachea
Bronchi
Alveoli
NUMBER 6 is
Lungs
Trachea
Mouth
Alveoli
Under anaerobic conditions yeast release
oxygen
carbon monoxide
lactic acid
ethyl alcohol
The term aerobic means
wine-making
with carbon dioxide
without carbon dioxide
with oxygen
without oxygen
Respiration ____ and cellular respiration ____.
produces ATP, is gas exchange
is gas exchange, produces ATP
produces glucose, produces glucose
uses glucose, produces glucose
Which of the following processes is most efficient (produces most ATP per molecule if glucose oxidized)
aerobic respiration
anaerobic respiration
alcoholic fermentation
lactic acid fermentation
What is the process of respiration?
Breathing
The release of energy from food
Inhalation
Oxygen transfer
What substance do we need to breathe in?
Water
Carbon dioxide
Oxygen
Carbon monoxide
What substance do we need to breathe out?
Water
Carbon dioxide
Oxygen
Carbon monoxide
What is the site of gas exchange?
alveoli
nose
lung
bronchi
Oxygen diffuses with the Haemoglobin of blood and forms ______________________
Oxy haemoglobin
Anaerobic
Haemoglobin
The number of times a person breathes in a minute is called as __________
Breathe rate
Pulse
Inhalation
During the process of Exhalation the Rib muscles __________ and the Diaphragm ____________
Contract, Moves down
Relax , moves up
Relax, Moves down
During ___________ the Diaphragm is pushed / moved down.
Exhalation
Inhalation
Many chemicals in cigarettes are considered carcinogenic because they cause what?
Emphysema
Cancer
Heart disease
Liver Failure
What is tar?
A plant used to make cigarettes
A toxic metal found in rechargeable batteries
A chemical released by the body in exciting situations
A sticky substance formed by cigarette smoke
Smoking interferes with the lungs' ability to provide what to the rest of the body?
Oxygen
Ammonia
Water
Carbon dioxide
Nicotine puts the most stress on which organ?
Lungs
Heart
Liver
Eyes
Cigarettes and e-cigarettes both contain:
Nicotine
Tobacco
Formaldehyde
Tar
The chemical that causes addiction is __________________.
arsenic
carbon monoxide
tar
nicotine
Why do cigarette packages include tobacco warnings?
to inform people of the negative effects of smoking
to promote smoking
What are cigarettes NOT linked to?
lung disease
cancer
better physical fitness
heart disease
What is a carcinogen?
Addictive drug found in tobacco leaves.
A cancer causing substance.
A car that people smoke in.
A substitute for smoking.
Why is mucus produced in the lungs?
To help you cough
To trap microbes to reduce the chance of infection
To help the air move in and out
What effect does tar have on ciliated cells?
Kills the cells
Damages the cilia
Tar doesn't affect these cells
