Resp Flashcards
(237 cards)
What is the primary function of respiration?
Supplying oxygen and removing carbon dioxide
What keeps oxygen levels in the blood healthy?
Ventilation and healthy lung tissue
What controls breathing?
Central nervous system
Where does nerve stimulation of breathing begin?
Medulla oblongata and pons
What is pulmonary circulation composed of?
Pulmonary arteries, capillaries, veins
What carries deoxygenated venous blood from the heart to the lungs?
Pulmonary arteries
Where does gas exchange occur in the lungs?
Pulmonary capillaries
Which arteries supply oxygen and nutrients to lung tissue?
Bronchial arteries
What is the major metabolic function of the lungs and kidneys?
Maintain acid-base balance of the blood.
What causes respiratory acidosis?
Lack of oxygen with hypercapnia.
What can hyperventilation cause?
Respiratory alkalosis.
What is the process called where oxygen is exchanged with carbon dioxide in the lungs?
External respiration
What do we call the exchange of gases between the blood and tissue cells?
Internal respiration
Where do the inhaled and exhaled air pass through?
Respiratory tract
What are the saclike cavities at the end of each bronchiole called?
Alveoli
What is the function of CO2 in the body?
Transport waste for exhalation
What is the main topic of Chapter 9 in the given text?
Diseases and Conditions of the Respiratory System
Where does external respiration take place?
Alveolus
What is the term for the movement of oxygen and carbon dioxide between alveoli and blood vessels?
Pulmonary circulation
What is the site where gas exchange occurs between blood and tissues?
Capillary lumen
What carries oxygen in the bloodstream?
Red blood cell
What structure surrounds the capillaries and helps in the exchange of gases?
Capillary endothelium
What term refers to the circulation that supplies oxygenated blood to the body?
Systemic circulation
Which organ is responsible for pumping blood throughout the body?
Heart