RESPIRATORY SYSTEM (SCIENCE) Flashcards
(17 cards)
A system that ensures that your body gets the oxygen it needs.
RESPIRATORY SYSTEM
Cells that use oxygen to make energy from food.
Body cells
What are the main parts of the respiratory system?
- Nose
- Trachea/Windpipe
A passageway in your throat that takes air into and out of your lungs.
Trachea/Windpipe
A flap of tissue in the back of your mouth that keeps food out of your trachea is called the?
Epiglottis
Two passageways that branch from the trachea, one to each lung is known as?
Bronchi (left and right)
The location where gas exchange takes place is called the?
Alveoli
These are the smallest respiratory passageways in the lungs called?
Bronchioles
Two large organs that exchange oxygen and carbon dioxide are called?
Lungs
A large, dome-shaped muscle below the lungs that expands and compresses the lungs, enabling breathing is called?
Diaphragm
Is when your diaphragm moves down and your ribcage expands, creating more room in your chest.
Inhalation
Is when your diaphragm moves up and your ribs move in and down, pushing air out of your lungs.
Exhalation
Are tiny, hair-like structures in your nose that trap dirt particles from the air you breathe.
Cillia
TRUE OR FALSE. Air enters your body through your nose and mouth.
TRUE
Name all the parts of the respiratory system.
Nose/Nasal Cavity
Mouth
Pharynx
Larynx
Trachea
Left/Right Lung
Left/Right Bronchus
Bronchioles
Alveoli
Diaphragm
Arrange the statements in the right order to describe the process of inhalation. (write 1 to 5)
_____ Air is drawn to lungs
_____ Air pressure in the chest cavity decreases
_____ Lungs expand
_____ The diaphragm contracts and flattens
_____ The muscles between the ribs contracts to move the ribs up and out
- 4
- 3
- 5
- 1
- 2
The lungs are covered by a two-layer membrane called the?
Pleura
