Soc17: 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 seperates the chest from the body cavity
Trachea
The tube that takes air into the chest, also known as the windpipe
Bronchus (or bronchi)
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
Anaerobic exercise
working at a high intensity level without oxygen for energy production
VO2max
The volume of oxygen an athlete can consume while exercising at maximum capacity