A. To trap dirt and bacteria and
sweep them upwards to the glottis
A. Trachea
Q. What is the average breathing
rate at rest?
Q. Name the main gas transported
in the pulmonary artery.
A. Carbon dioxide
A. 16 bpm
Q. Name the process involved in the
passage of gas between the
alveolus and the blood.
Q. What is the function of the
larynx?
A. To produce sound
A. Diffusion
Q. Name the blood vessel that
returns blood rich in oxygen to the
heart.
Q. What is the function of the
epiglottis?
A. Pulmonary vein
A. Prevent food going down 'the
wrong way'
Q. State a possible effect of smoking
on the breathing resting rate
Q. How did you measure the
breathing resting rate?
A. Observe; Count; Repeat;
Average; Record
A. Raises rate
Q. Where is the epiglottis?
Q. True or False. Humans receive
nitrogen from the air they inhale for
protein manufacture.
Page 1 of 4
A. At the back of the throat; Top of
oesophagus
A. FALSE
Q. The trachea contains rings of
Q. Name the muscles that are used cartilage. Suggest a function of this
in breathing.
cartilage.
A. Diaphragm and intercostal
Q. True or False. Humans receive
oxygen from the air they inhale.
A. To keep trachea open;
Protection of trachea
Q. When the diaphragm and
intercostal muscles contract the
volume of the thorax … and the
pressure …
A. Increases; Decreases
A. TRUE
Q. What is the role of alveoli in the
lungs?
Q. Breathing rate in humans is
controlled by the concentration of
what gas dissolved in the blood?
A. Exchange gases
A. Carbon dioxide
Q. State the location in the human
body of the intercostal muscles.
Q. Outline the steps involved in
inhalation.
A. Between ribs
Q. Give one way in which water is
lost from the body.
A. Impulse from brain; Diaphragm
& intercostal muscles contract;
Thorax volume increases; Pressure
decreases; Air inhaled
Q. What is respiration?
Page 2 of 4
A. Sweating; Breathing out water
vapour; Urination
Q. Give one feature of the alveoli
that allows efficient exchange of
gases.
A. Controlled release of energy
from food, within the cells of an
organism
Q. When the diaphragm and
intercostal muscles relax the volume
of the thorax … and the pressure …
A. Thin walls; Moist surfaces;
Surrounded by capillaries; Large
surface area; Expandable
Q. What is the function of cilia in
the breathing system?
Page 3 of 4
A. Decreases; Increases
Q. Where do cilia occur in the
breathing system?
Follow-me Quiz
Follow-me Quiz
3.4.4 The Breathing System
in the Human
3.4.7.H CO2: A Controlling Factor
in Gaseous Exchange
3.4.4 The Breathing System
in the Human
3.4.7.H CO2: A Controlling Factor
in Gaseous Exchange
Follow-me Quiz
Follow-me Quiz
3.4.4 The Breathing System
in the Human
3.4.7.H CO2: A Controlling Factor
in Gaseous Exchange
3.4.4 The Breathing System
in the Human
3.4.7.H CO2: A Controlling Factor
in Gaseous Exchange
Follow-me Quiz
Follow-me Quiz
3.4.4 The Breathing System
in the Human
3.4.7.H CO2: A Controlling Factor
in Gaseous Exchange
3.4.4 The Breathing System
in the Human
3.4.7.H CO2: A Controlling Factor
in Gaseous Exchange
Follow-me Quiz
Follow-me Quiz
3.4.4 The Breathing System
in the Human
3.4.7.H CO2: A Controlling Factor
in Gaseous Exchange
3.4.4 The Breathing System
in the Human
3.4.7.H CO2: A Controlling Factor
in Gaseous Exchange
Follow-me Quiz
Follow-me Quiz
3.4.4 The Breathing System
in the Human
3.4.7.H CO2: A Controlling Factor
in Gaseous Exchange
3.4.4 The Breathing System
in the Human
3.4.7.H CO2: A Controlling Factor
in Gaseous Exchange
Enter Topic Title in each section above
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