Body Cavities Ch. 1

Question 1

Body Cavity Functions

Answer 1

1. Protect organs from shock

2. Permit changes in size/shape of internal organs

Question 2

Ventral cavity

Answer 2

• Thoracic cavity

- Abdominopelvic cavity

Question 3

Thoracic cavity

Answer 3

• R and L pleural cavities

- Mediastinum

Question 4

R pleural cavity (thoracic cavity)

Answer 4

Holds R lung

Question 5

L pleural cavity (thoracic cavity)

Answer 5

Holds L lung

Question 6

Mediastinum (thoracic cavity)

Answer 6

• Lies between R and L pleural cavities
• Pericardial cavity (contains heart)
• Major blood vessels, thymus, trachea, R and L bronchi, esophagus, lymphatic, and nerves

Question 7

Abdominal cavity

Answer 7

Liver, gall bladder, stomach, pancreas, intestines, spleen, kidneys and ureters

Question 8

Pelvic cavity

Answer 8

Bladder, some reproductive organism sigmoid colon, and rectum

Question 9

Dorsal cavity

Answer 9

Spinal cavity and cranial cavity.

Question 10

Parietal layer (serous membrane)

Answer 10

Lines cavity

Question 11

Visceral layer (serous membrane)

Answer 11

Covers organ

Question 12

Peritoneum

Answer 12

Membrane in abdominal cavity

Question 13

Parietal peritoneum

Answer 13

Lines abdominal cavity

Question 14

Visceral peritoneum

Answer 14

Covers abdominal organs

Question 15

Diaphragm

Answer 15

Structure: flat muscular sheet
Function: separates the thoracic and abdominopelvic cavities