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Gas Exchange GCSE Biology questions well answered
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Gas Exchange GCSE Biology questions well answered
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Gas Exchange GCSE BiologyWhere are the lungs located? - correct answer ✔✔thorax
What is the thorax? - correct answer ✔✔it is the cavity enclosed by the ribcage
What type of tissue is the diaphragm? - correct answer ✔✔muscle tissue
what is the function of the cartilage? - correct answer ✔✔connects the bones together and protects the
trachea - allows it to remain open when we bend our neck
action during inhalation of the external intercostal muscles - correct answer ✔✔contract
action during inhalation of the internal intercostal muscles - correct answer ✔✔relax
action during exhalation of the external intercostal muscles - correct answer ✔✔relax
action during exhalation of the internal intercostal muscles - correct answer ✔✔contract
action during inhalation of the ribs - correct answer ✔✔move up and out
action during inhalation of the diaphragm - correct answer ✔✔muscles contract and flatten
action during inhalation of the volume of thorax - correct answer ✔✔increases
action during inhalation of the volume of air in the lungs - correct answer ✔✔increases
action during inhalation of the pressure in thorax - correct answer ✔✔decreases
, action during exhalation of the ribs - correct answer ✔✔move down and in
action during exhalation of the diaphragm - correct answer ✔✔muscles relax, dome-shaped
action during exhalation of the pressure in thorax - correct answer ✔✔increases
action during exhalation of the volume of thorax - correct answer ✔✔decreases
action during exhalation of the volume of the air in the lungs - correct answer ✔✔decreases
What does the glass tube in the structure of the human thorax represent? - correct answer ✔✔trachea
What does the balloons in the structure of the human thorax represent? - correct answer ✔✔lungs
What does the rubber sheet in the structure of the human thorax represent? - correct answer
✔✔diaphragm
What does the bell jar in the structure of the human thorax represent? - correct answer ✔✔rib cage
What does the air space in the structure of the human thorax represent? - correct answer ✔✔thorax
describe how you make the model of the human thorax breath in. - correct answer ✔✔pull down on the
rubber sheet
explain how pulling down the rubber sheet allows air to enter the lungs. - correct answer ✔✔more room
because the diaphragm muscles contract and flatten and the rib cage moves up and out. pressure in the
bell jar decreases and volume increases
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