The windpipe
The alveoli
The diaphragm
What is the proper term for breathing?
Ventilation
Respiration
Exasperation
What are the tiny air sacs in the lungs called?
Ravioli
Bronchioles
Alveoli
What are the products of aerobic respiration?
Carbon dioxide and water
Lactic acid
Oxygen and glucose
Where does respiration happen?
Cell membrane
Mitochondria
Nucleus
What reaction occurs in yeast?
Photosynthesis
Ventilation
Fermentation
Which organ system helps us breathe?
Gas exchange system
Circulatory system
Nervous system
What does the trachea divide into?
Alveoli
Two bronchi
Bronchioles
What happens to the diaphragm when you breathe in?
Contracts and moves upwards
Relaxes and moves downwards
Contracts and moves downwards
Which of these is an adaptation of the lungs?
The alveoli have a huge surface area
Villi are only one cell thick
The alveoli have very dry walls
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