Respiratory System Flashcards
Respiration
The movement of air from outside the body into the cells within tissues
Diaphragm
The primary muscle used in the process of inspiration, or inhalation. A dome shaped sheet of muscle that separates the chest from the rest of the body cavity
Trachea
The tube that takes air into the chest, also known the trachea into the lungs
Bronchus
Tube along which air passes from the trachea into the lungs.
Bronchioles
Smaller branches coming off the bronchi
Alveoli
Tiny sacs at the end of the bronchioles, where gas exchange takes place
Haemoglobin
A type of protein found in every red blood cell
Gaseous exchange
The delivery of oxygen from the lungs to the bloodstream and the removal of carbon dioxide from the tissues
Oxygen Debt
The amount of oxygen needed at the end of a physical activity to break down any lactic acid