Podcast
Questions and Answers
How many branches arise from the second part of the axillary artery?
How many branches arise from the second part of the axillary artery?
- Two (correct)
- Four
- One
- Three
Which artery supplies the pectoral muscles as well as the breast?
Which artery supplies the pectoral muscles as well as the breast?
- Pectoral branch (correct)
- Superior thoracic artery
- Deltoid branch
- Acromial branch
Where does the acromial branch of the thoracoacromial artery cross?
Where does the acromial branch of the thoracoacromial artery cross?
- Coracoid (correct)
- Deltopectoral groove
- Axillary artery
- Clavipectoral fascia
Where does the superior thoracic artery arise from?
Where does the superior thoracic artery arise from?
In which part of the axillary artery do three branches arise?
In which part of the axillary artery do three branches arise?
What is the primary function of the lungs in the respiratory system?
What is the primary function of the lungs in the respiratory system?
Where are the lungs located in mammals and most vertebrates?
Where are the lungs located in mammals and most vertebrates?
What is the role of the pleurae in the respiratory system?
What is the role of the pleurae in the respiratory system?
How is respiration driven in mammals, reptiles, and birds?
How is respiration driven in mammals, reptiles, and birds?
In earlier tetrapods, how was air driven into the lungs?
In earlier tetrapods, how was air driven into the lungs?
Study Notes
Axillary Artery
- Three branches arise from the second part of the axillary artery.
- The pectoral branch of the thoracoacromial artery supplies the pectoral muscles and the breast.
- The acromial branch of the thoracoacromial artery crosses the superior aspect of the shoulder.
- The superior thoracic artery arises from the first part of the axillary artery.
Respiratory System
- The primary function of the lungs is to facilitate gas exchange in the respiratory system.
- In mammals and most vertebrates, the lungs are located in the thoracic cavity.
- The pleurae play a crucial role in the respiratory system by providing a lubricated surface for the lungs to expand and contract during breathing.
- In mammals, reptiles, and birds, respiration is driven by a negative pressure system, where the expansion of the thoracic cavity creates a vacuum that draws air into the lungs.
- In earlier tetrapods, air was driven into the lungs through a positive pressure system, where the throat muscles pushed air into the lungs.
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Description
Test your knowledge of the branches of the axillary artery with this quiz. Identify the branches arising from each part of the artery and deepen your understanding of its anatomy.
