Respiratory system Flashcards
What is the respiratory system for
move fresh air into your body whilst removing waste gases
what is the conducting zone
the structures that provide passageways for air to travel into and out of the lungs
what are some examples of the conducting zone
nasal cavities
what is a trachea
windpipe
what is the respiratory zone
the part of the lung where gas exchange occurs between the respiratory and cardiovascular systems.
what is alveoli
thin walled sacs that contain air (gases) and are surrounded by capillary beds
what is pulmonary ventilation
the process of moving air into and out of the lungs
when does inspiration (breathing in) occur
when lung pressure drops so that air moves from the atmosphere into our lungs
when does expiration (exhalation occur)
when the lung pressure rises, forcing air to move from the lungs back to the atmosphere
what is control of pulmonary ventilation
the central nervous system
Oxygen transports hemoglobins transport is
the majority of oxygen is transported bound to hemoglobin in red blood cells
