Podcast
Questions and Answers
Which of the following is NOT a primary function of the respiratory system?
Which of the following is NOT a primary function of the respiratory system?
- Bringing air from the atmosphere into the lungs
- Transporting nutrients to cells (correct)
- Allowing the vocal cords to create speech
- Removing carbon dioxide from the blood
The nose delivers larger air volumes into the airways more efficiently than the mouth.
The nose delivers larger air volumes into the airways more efficiently than the mouth.
False (B)
In the respiratory system, where does pulmonary diffusion occur?
In the respiratory system, where does pulmonary diffusion occur?
alveoli
The trachea directs air into the left and right ______.
The trachea directs air into the left and right ______.
Which of the following sequences accurately describes the flow of air through the respiratory system?
Which of the following sequences accurately describes the flow of air through the respiratory system?
During inspiration, the volume of the lungs decreases.
During inspiration, the volume of the lungs decreases.
What is the primary function of the atria?
What is the primary function of the atria?
Blood from the body returns through the vena cava into the ______ atrium.
Blood from the body returns through the vena cava into the ______ atrium.
During ventricular systole, where is blood forced to go?
During ventricular systole, where is blood forced to go?
The pulmonary circuit involves circulation to the entire body, excluding the lungs.
The pulmonary circuit involves circulation to the entire body, excluding the lungs.
Which of the following components is NOT a part of the cardiovascular system?
Which of the following components is NOT a part of the cardiovascular system?
What vessels act like collecting vessels on top of the heart?
What vessels act like collecting vessels on top of the heart?
The ventricles are ______ because they are responsible for pumping blood throughout the body.
The ventricles are ______ because they are responsible for pumping blood throughout the body.
Blood is transported back to the heart via the pulmonary veins.
Blood is transported back to the heart via the pulmonary veins.
Match the following components of blood with its function:
Match the following components of blood with its function:
Which of the following is the most accurate description of the function of arteries?
Which of the following is the most accurate description of the function of arteries?
What process occurs in the lungs where the lungs exchange oxygen and carbon dioxide?
What process occurs in the lungs where the lungs exchange oxygen and carbon dioxide?
Arterioles carry blood towards the heart.
Arterioles carry blood towards the heart.
During inspiration, the ______ contracts.
During inspiration, the ______ contracts.
What is the role of capillaries surrounding the alveoli?
What is the role of capillaries surrounding the alveoli?
Flashcards
Respiratory System
Respiratory System
Includes the mouth, nose, airways, and lungs, facilitating oxygen intake and carbon dioxide removal.
Mouth Function
Mouth Function
The function of the mouth is to delivers large volumes of air quickly into the airways.
Nose Function
Nose Function
The function of the nose is to warm, filter, and moisten air improving breathing and keeping airways relaxed.
Airways Function
Airways Function
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Lungs Function
Lungs Function
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Order of Air Movement
Order of Air Movement
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Breathing Mechanics
Breathing Mechanics
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Cardiovascular System
Cardiovascular System
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Atria Function
Atria Function
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Ventricles Function
Ventricles Function
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Vena Cava Role
Vena Cava Role
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Pulmonary Vein Role
Pulmonary Vein Role
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Pulmonary Artery Role
Pulmonary Artery Role
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Blood & Blood Vessels Role
Blood & Blood Vessels Role
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Training Effects
Training Effects
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Acute Responses
Acute Responses
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Chronic Responses
Chronic Responses
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Study Notes
- Respiratory system, cardiovascular system supply oxygen and fuels to muscles
- Respiratory system includes the mouth, nose, airways, and lungs
- Cardiovascular system includes the heart, blood vessels, and the blood
Functions of the Respiratory System
- Bringing air from the atmosphere into the lungs
- Transferring oxygen in the blood
- Removing carbon dioxide from the blood
- Expelling heat and water vapor in exhaled air
- Allowing the vocal cords to create speech as air is breathed out
Structure of the Respiratory System
- Mouth delivers large air volumes into airways faster than the nose
- Nose warms, filters and moistens air
- Airways include the pharynx, larynx, trachea, bronchi, and bronchioles
- The trachea directs air to the left and right bronchi
- Bronchi branch into smaller bronchioles
- Bronchioles enable air to pass into the alveoli where pulmonary diffusion occurs
- Lungs have over 500 million alveoli with thin walls for gas diffusion
- Each alveolus has a rich blood supply for gaseous exchange
Mechanics of Breathing
- Inspiration means breathing in
- Expiration means breathing out
Cardiovascular System Functions
- Circulates blood to all parts of the body
- Transports water, oxygen and nutrients to the cells
- Transports wastes including carbon dioxide away from the cells
- Helps maintain correct body temperature
- Helps fight disease through white blood cells contained in the blood
Anatomy of the Heart
- The atria act like collecting vessels at the top of the heart
- The ventricles are responsible for pumping blood throughout the body
Blood Flow Through the Heart
- Blood from the body returns through the vena cava into the right atrium
- Blood from the lungs returns through the pulmonary vein into the left atrium
- Blood is forced into the right and left ventricles
- Blood is forced into the pulmonary artery and the aorta
Blood Circulation Loops
- Systemic circulation
- Skin circulation
- Coronary circulation
- Muscle circulation
- Pulmonary circulation
- Portal circulation
Training Effects on the Body
- Training effects are the physiological changes the body makes in response to the demands of the exercise you perform
Acute Responses to Training/Exercise
- Effects last only for the duration of the exercise and the recovery period
Chronic Responses to Training/Exercise
- Long term adaptations that take about 6 weeks of training to begin developing
- The summation of chronic responses is known as the training effect
- Training effects will exist as long as training continues
- As soon as training stops, the effects are reversed
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Description
Learn how the respiratory and cardiovascular systems work together. This lesson covers the functions and structure of the respiratory system including the mouth, nose, airways, and lungs. It also highlights the importance of oxygen and carbon dioxide transfer in the blood.
