Respiration Flashcards
External Respiration
Lungs <—> Blood
Internale Respiration
Body cells <—> Blood
Cellular Respiration
Food + O2 to make ATP
Lungs
-Not muscular
-Very elastic
-Left lung has 2 lobes
-Right lung has 3 lobes
-Sponge-like
Smoking
-Tar build-up
-Fatty deposits
-Scar tissue
-Tumors
-Irreversible disease
-Rigid
Nasal Cavity
Walls lined with a mucous membrane and small hairs to trap dust/other particles
Epiglottis
Flap that covers opening of the trachea during swallowing, opens during breathing
Larynx
Passageway for air from pharynx to trachea (voicebox) - contains vocal chord
Lung Description
Essential organ of respiration, exchange CO2 for O2, made up of small sacs surrounded by capillaries
Ribs
Bones that protect the chest cavity
Pleura
Membrane that covers and protects the lungs, two layers with fluid in between for lubrication
Diaphragm
Muscle that assists breathing at bottom of chest cavity, contracts during inhalation, relaxes during exhalation
Intercostal Muscles
Muscles in between the ribs that allow ribs to move during breathing
Alveoli
Tiny air sacs coming off bronchioles
Bronchiole
Each bronchus divides into smaller and smaller branches called bronchioles