Respiratiry System 🐽 Flashcards
Where does external respiration occur?
In the lungs
What is internal respiration?
The exchange of oxygen and carbon dioxide between the blood in the capillaries all over the body and all of the cells and tissues of the body
Where does internal respiration occur?
All over the body
Voice production is also called…
Phonation
What is the medical term for the voice box?
Larynx
What is the sense of smell also called?
Olfactory sense
What does the upper portion of the respiratory tract include?
The nose, pharynx (throat), the larynx (voice ox), and trachea (windpipe)
Another name for the nostrils is…
Nares
What are the outpouchings of the nasal passages that are contained within spaces in certain skull bones called?
Paranasal sinuses (usually just called sinuses)
What is the common passageway for both respiratory and digestive systems?
Pharynx
The _______ and the _______ form the boundaries of the glottis (the opening into the larynx)
Arytenoid cartilages and the vocal cords
What does the lower respiratory tract include?
Bronchi and alveoli
What is the function of surfactant?
Helps reduce the surface tension of fluid preventing the alveoli from collapsing as air moves in and out during breathing
The area between the lungs is called the mediastinum. What does this contain?
Heart, large blood vessels, nerves, trachea, esophagus, lymphatic vessels, and lymph nodes
What is external respiration?
The exchange of oxygen and carbon dioxide between the air inhaled into the lungs and the blood flowing through the pulmonary capillaries
