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WorksheetsVocabulary Test: Gas Exchange in Humans
Total questions: 15
Worksheet time: 11mins
What are alveoli?
Tiny, thin-walled air sacs in the lungs
Divisions of the trachea
Muscles found between the ribs
Specialised cells that secrete mucus
What is the breathing rate?
The number of breaths taken per minute
The volume of air in the lungs
The pressure in the thorax
The concentration of oxygen in the air
What is the function of cilia?
Waft substances across the surface of the tissue
Secrete mucus
Contract during inhalation
Exchange respiratory gases
What happens during expiration?
The diaphragm relaxes and the ribcage is pulled down
The diaphragm contracts and the ribcage is raised
Air moves into the lungs
The thoracic pressure falls
What is the composition of expired air?
Higher concentration of carbon dioxide
Higher concentration of oxygen
Equal concentration of gases
Lower concentration of water vapour
What is the role of goblet cells?
Secrete mucus
Exchange gases
Contract during breathing
Support the trachea
What is the function of the diaphragm?
Separates the thorax and abdomen
Supports the trachea
Controls rib movement
Secretes mucus
What is the primary airway called?
Trachea
Bronchi
Larynx
Alveoli
What is ventilation?
Movement of fresh air into the lungs
Exchange of gases
Secretion of mucus
Contraction of the diaphragm
Respiration in the presence of oxygen that releases energy from the breakdown of glucose. What is the process called?
(a)
Respiration which takes place without oxygen and forms energy from the breakdown of glucose. What is the process called?
(a)
A biological catalyst that increases the rate of reactions in living organisms.
(a)
This is the product of anaerobic respiration in muscle cells.
(a)
Name the set of muscles that are found between the ribs on the outside that are involved in forced and quiet inhalation.
(a)
Name the set of muscles found between the ribs on the inside that are involved in forced exhalation.
(a)
