Ch. 1 The Human Body: An Orientation

Marieb - Human Anatomy & Physiology 11th Edition

Marieb, Hoehn11th EditionHuman Anatomy & PhysiologyISBN: 9780136874034Non è quello che usi tu?Cambia libro di testo

Marieb, Hoehn 11th Edition

Ch. 1 The Human Body: An Orientation

Problema 6

Capitolo 1, Problema 6

Which ventral cavity subdivision has no bony protection?
a. Thoracic cavity
b. Abdominal cavity
c. Pelvic cavity

Guida verificata passo dopo passo

Step 1: Understand the ventral body cavity and its subdivisions. The ventral cavity is divided into the thoracic cavity and the abdominopelvic cavity, which itself is subdivided into the abdominal and pelvic cavities.

Step 2: Recall the bony structures associated with each subdivision. The thoracic cavity is protected by the rib cage and sternum, providing strong bony protection.

Step 3: Consider the pelvic cavity, which is protected by the pelvic bones, offering substantial bony protection as well.

Step 4: Examine the abdominal cavity, which contains many vital organs but is primarily surrounded by muscle and connective tissue rather than bone, meaning it lacks direct bony protection.

Step 5: Conclude that the abdominal cavity is the ventral cavity subdivision without bony protection, as it is shielded mainly by muscles and soft tissues.

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Ventral Body Cavity

The ventral body cavity is a major body cavity located on the anterior side of the body, housing vital organs. It is subdivided into the thoracic cavity and the abdominopelvic cavity, which itself is divided into the abdominal and pelvic cavities.

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Introduction to Body Cavities

Thoracic Cavity and Its Protection

The thoracic cavity contains the heart and lungs and is protected by the rib cage and sternum. This bony framework provides structural support and shields the organs from physical damage.

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2:51

Organization of the Thoracic Cavity

Abdominal Cavity and Lack of Bony Protection

The abdominal cavity contains digestive organs and lacks direct bony protection, being enclosed mainly by muscle and connective tissue. This makes it more vulnerable compared to the thoracic cavity, which is protected by ribs.

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3:25

Anterior Body Cavity

Pratica correlata

Domanda del libro di testo

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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Domanda del libro di testo

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/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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Domanda del libro di testo

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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Domanda del libro di testo

According to the principle of complementarity, how does anatomy relate to physiology?

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Domanda del libro di testo

Terms that apply to the backside of the body in the anatomical position include:

a. Ventral; anterior

b. Back; rear

c. Posterior; dorsal