Share respiratory and circulatory system
Save to Folder
Tiny air sacs where gas exchange occurs.
Alveoli
Which gas moves from the blood into the alveoli?
Carbon dioxide.
To generate energy, living organisms need to carry out what?
respiration
A molecule is primarily used by cells to store energy produced during respiration?
ATP.
A part of the human respiratory system is responsible for producing the voice
Larynx.
What structure connects the larynx to the bronchi?
Trachea.
What is the primary function of the bronchi in the respiratory system?
To carry air to the lungs.
Where does gas exchange take place in the human lungs?
Alveoli.
What process allows oxygen to pass from the alveoli into the blood?
Diffusion.
Why are alveoli known as the sites of respiration?
gas exchange occurs between air and blood.
What term describes the pressure exerted by a specific gas within a mixture of gases?
Partial pressure.
Where does gas exchange mainly occur in plants?
Leaves.
What structures on the underside of leaves facilitate gas exchange in plants?
Stomata.
Which gases are exchanged through the stomata of plant leaves?
Oxygen and carbon dioxide.
How do plants acquire the carbon dioxide necessary for photosynthesis?
From the air via stomata.
After running a marathon, Sarah feels extremely out of breath. Her doctor explains that this is because of the tiny structures in the lungs where oxygen enters the blood and carbon dioxide leaves it. What are these tiny structures called?
Alveoli
