Ages 12–13🔬 Science23 verified questions on this shelf
Gas Exchange & Breathing
Describe the structure of the human gas exchange system (trachea, bronchi, bronchioles, alveoli) and explain how the mechanism of breathing — using pressure changes from rib and diaphragm movement — moves air in and out of the lungs
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Question 1 of 3
A sample of gas occupies 600 mL at a pressure of 2 atm. If the pressure is increased to 4 atm while the temperature remains constant, what is the volume of the gas?
Question 2 of 3
A sample of gas occupies 400 mL at a pressure of 1 atm. If the pressure is increased to 2 atm while the temperature remains constant, what volume will the gas occupy?
Question 3 of 3
A sample of gas occupies 2.0 L at a pressure of 1.0 atm. If the pressure is increased to 3.0 atm while the temperature remains constant, what volume will the gas occupy?
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