Textbook Question
Which of the following is a major functional characteristic of all organisms?
a. movement,
b. growth,
c. metabolism,
d. responsiveness,
e. all of these.
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Ch. 1 The Human Body: An Orientation
Chapter 1, Problem 6
Which ventral cavity subdivision has no bony protection? a. thoracic cavity, b. abdominal cavity, c. pelvic cavity.
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Identify the ventral cavity subdivisions: thoracic cavity, abdominal cavity, and pelvic cavity.
Consider the anatomical structures surrounding each cavity to determine if they provide bony protection.
The thoracic cavity is protected by the rib cage and sternum, providing bony protection.
The pelvic cavity is protected by the pelvic bones, providing bony protection.
The abdominal cavity lacks a bony structure surrounding it, as it is primarily protected by muscles and connective tissues.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Ventral Cavity
The ventral cavity is a major body cavity that is located at the front of the body. It is divided into several subdivisions, including the thoracic cavity, abdominal cavity, and pelvic cavity. This cavity houses vital organs and is essential for understanding the organization of the body's internal structures.
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3:20
Introduction to Body Cavities
Abdominal Cavity
The abdominal cavity is a subdivision of the ventral cavity that contains organs such as the stomach, liver, and intestines. Unlike the thoracic cavity, which is protected by the rib cage, the abdominal cavity has no bony protection, making it more vulnerable to injury. This distinction is crucial for understanding the anatomical layout of the body.
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3:25Anterior Body Cavity
Pelvic Cavity
The pelvic cavity is another subdivision of the ventral cavity, located below the abdominal cavity. It is surrounded by the pelvic bones and contains reproductive organs, the bladder, and part of the intestines. While it is protected by bone, it is important to differentiate it from the abdominal cavity, which lacks such protection.
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8:07Pelvic Girdle
Related Practice
Textbook Question
Two of these organ systems bear the major responsibility for ensuring homeostasis of the internal environment. Which two?
a. nervous system,
b. digestive system,
c. cardiovascular system,
d. endocrine system,
e. reproductive system.
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Textbook Question
In (a)–(e), a directional term [e.g., distal in (a)] is followed by terms indicating different body structures or locations (e.g., the elbow/the wrist). In each case, choose the structure or organ that matches the given directional term.
a. distal: the elbow/the wrist,
b. lateral: the hip bone/the umbilicus,
c. superior: the nose/the chin,
d. anterior: the toes/the heel, e. superficial: the scalp/the skull
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Textbook Question
Terms that apply to the backside of the body in the anatomical position include:
a. ventral; anterior,
b. back; rear,
c. posterior; dorsal,
d. medial; lateral
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Textbook Question
According to the principle of complementarity, how does anatomy relate to physiology?
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Textbook Question
Construct a table that lists the 11 systems of the body, names two organs of each system (if appropriate), and describes the overall or major function of each system.
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