Respiratory System Exchange of oxygen and carbon dioxide between the blood and the muscle tissues Exchange of oxygen and carbon dioxide between the lungs.
Mechanics of Breathing Inspiration: External intercostals muscles contract during inspiration External intercostals muscles contract during inspiration.
Respiratory System
RESPIRATORY SYSTEM SBI3U. RESPIRATION: Organisms obtain oxygen which is necessary for the release of energy from food (i.e. breathing) Cellular Respiration:
