PE EXAN STUDTY Flashcards
What is the respiratory system responsible for?
exchanges of gas between the body and environment
What is oxygen necessary for?
the body’s cells production of energy
What does respiration involve?
inhalation and exhalation
What is increased ventilation?
the amount of air that is inspired and expired in 1 minute.
What is increased tidal volume?
the amount of air breathed in and out in one breath
what is increased respiratory rate?
the number of breaths per minute
What demand does exercise create?
greater demand for oxygen in the body
Why does the body need more oxygen?
In order to create energy for the muscles and remove waste products
How long does the exercise demands/changes last?
during the activity and a short period period after (recovery)
What is another name for the conducting system?
respiratory tract
What is the conducting system?
a series of organs and structures that transport air from outside into the lungs
What is the conducting responsible for?
filtering, warming and moistening the air
What role does the mouth and nose play in the respiratory system?
entry points for air
nose - filters and humidifies air
mouth - backup entry
What is the pharynx?
a muscular tube that connects the nasal and oral cavities to the larynx
Where is the larynx?
a cartilage structure located at the top of the trachea