boh Flashcards
(25 cards)
What is the primary function of the respiratory system in animals?
The primary function of the respiratory system is to facilitate gas exchange, allowing oxygen to enter the body and carbon dioxide to be expelled.
True or False: The diaphragm is a muscle that plays a crucial role in respiration.
True
Fill in the blank: The __________ are the main organs of respiration in mammals.
lungs
What is the term used to describe the process of breathing in?
inhalation
Which part of the respiratory system is responsible for filtering and humidifying the air?
nasal cavity
Multiple Choice: Which of the following structures is NOT part of the respiratory system? A) Trachea B) Esophagus C) Bronchi D) Alveoli
B) Esophagus
What are alveoli?
Alveoli are tiny air sacs in the lungs where gas exchange occurs.
True or False: The respiratory system in birds includes air sacs.
True
What is the role of the trachea in the respiratory system?
The trachea serves as the main airway that connects the larynx to the bronchi and allows air to pass to and from the lungs.
Fill in the blank: The __________ is the structure that produces sound in mammals.
larynx
Multiple Choice: Which of the following animals has a unique respiratory system with air sacs? A) Cat B) Dog C) Bird D) Horse
C) Bird
What is the significance of the pleural cavity?
The pleural cavity contains pleural fluid, which reduces friction between the lungs and the chest wall during breathing.
True or False: The respiratory system helps regulate body temperature.
True
What is the primary gas exchanged in the lungs?
Oxygen and carbon dioxide.
Fill in the blank: The __________ are the branching airways that lead from the trachea to the lungs.
bronchi
Multiple Choice: Which respiratory condition is characterized by the inflammation of the airways? A) Asthma B) Pneumonia C) Bronchitis D) All of the above
D) All of the above
What is the role of surfactant in the alveoli?
Surfactant reduces surface tension in the alveoli, preventing collapse and aiding in lung expansion.
True or False: The respiratory system is not involved in vocalization in animals.
False
What is the term for the exchange of gases between the blood and body tissues?
internal respiration
Fill in the blank: The __________ is a flap that covers the trachea during swallowing.
epiglottis
Multiple Choice: Which species has a respiratory system that operates under a different pressure system than mammals? A) Fish B) Amphibians C) Reptiles D) Birds
D) Birds
What is the primary purpose of the nasal turbinates?
Nasal turbinates help to warm, humidify, and filter the air entering the respiratory system.
True or False: The respiratory system has no role in the immune defense of the body.
False
What is the purpose of the respiratory rate?
The respiratory rate indicates how many breaths an animal takes per minute, which can reflect its health and metabolic state.