Textbook Question
More than one choice may apply.
The base of the heart is its _______surface.
a. Diaphragmatic
b. Superior
c. Anterior
d. Inferior
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1. Introduction to Anatomy & Physiology
Organization of the Body: Thoracic Cavity
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Which cavity contains the lungs within the thoracic cavity?
A
Abdominal cavity
B
Pericardial cavity
C
Cranial cavity
D
Pleural cavity
Verified step by step guidance1
Understand the structure of the thoracic cavity: The thoracic cavity is a part of the ventral body cavity and is located above the diaphragm. It houses the lungs, heart, and other structures.
Identify the specific cavities within the thoracic cavity: The thoracic cavity is divided into smaller cavities, including the pleural cavities, pericardial cavity, and mediastinum.
Define the pleural cavity: The pleural cavity is a potential space between the two layers of pleura (visceral and parietal) surrounding each lung. It contains a small amount of lubricating fluid to reduce friction during breathing.
Differentiate between the pleural and pericardial cavities: The pleural cavities are specifically for the lungs, while the pericardial cavity surrounds the heart.
Conclude that the lungs are located within the pleural cavities of the thoracic cavity, as these are the specific compartments designed to house the lungs.
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