WorksheetsRespiratory System
Total questions: 12
Worksheet time: 6mins
Diffusion is:
Movement of gas molecules from high concentration to low concentration.
Movement of gas molecules from a low concentration to a high concentration.
Movement of gas from one area to another area.
Movement of oxygen from the air into the blood.
Alveoli enable diffusion due to...
Thick walls, small lumen and elastic.
Small surface area, good blood supply, one cell thick
Large surface area, one cell thick and good blood supply
Diffusion pathway of oxygen is...
Alveoli, blood, muscles
Muscles, blood, alveoli
Muscles alveoli, blood
Blood, Alveoli, muscles
Diffusion pathway of CO2 is:
Alveoli, blood, muscles
Muscles, blood, alveoli
Muscles, alveoli, blood
Blood, alveoli, muscles
Residual volume is...
Amount of air left in the lungs after maximal expiration
Volume of air breathed in or out per breath
Volume of air forcibly inspired after normal breath
Volume of air breathed in or out per minute
Residual volume does what during the exercise?
Increases
Decreases
Stays the same
Tidal Volume is...
Volume of air breathed in or out per breath
Volume of air forcibly inspired after normal breath
Amount of air left in the lungs after maximal expiration
Volume of air breathed in or out per minute
Oxyhaemoglobin dissociation is when...
Oxygen joins with haemoglobin.
Oxygen attached to haemoglobin in four different locations.
Oxygen combine to the mitochondria.
Oxygen dissociates from haemoglobin and moves down a pressure gradient to the myoglobin.
What is partial pressure?
The pressure a gas exerts in a mixture of gases.
The movement of gas from a low concentration to a high concentration.
The movement of gas from a high concentration to a low concentration.
When there is a difference in neighbouring or adjoining pressures.
What is pressure gradient?
The pressure a gas exerts in a mixture of gases.
The movement of gas from a low concentration to a high concentration.
The movement of gas from a high concentration to a low concentration.
When there is a difference in neighbouring or adjoining pressures.
What is ventilation?
Is the movement of a volume of gas into and out of the lungs.
Is the exchange of oxygen and carbon dioxide across a membrane.
What is respiration?
Is the movement of a volume of gas into and out of the lungs.
Is the exchange of oxygen and carbon dioxide across a membrane.
