Respiratory System Flashcards
1
Q
What is the smallest level of respiration?
A
Cellular respiration
2
Q
Define cellular respiration
A
Cellular respiration refers to the breakdown of glucose and other respiratory substrates to make energy carrying molecules called ATP.
Cells get energy from oxidation or glucose.
3
Q
What are the structures at the end of the smallest bronchioles?
A
Alveoli
4
Q
What is the name for the tiny air sacs that allow for rapid gaseous exchange?
A
Alveoli
5
Q
Which muscle group expands the rib cage upon inhalation?
A
Intercostal muscles
6
Q
What is the first step of inhalation?
A
Diaphragm contracts & moves down while intercostal muscles expand rib cage
