Body Cavities And Divisions

Question 1

Cranial cavity

Answer 1

Back of body, including brain and pituitary gland (attached to hypothalamus)
Crani/o=skull

Question 2

Thoracic cavity

Answer 2

Front of body, including: lungs, heart, trachea(wind pipe), esophagus(food pipe), aorta.
Thorac/o= chest

Question 3

Thoracic cavity is subdivided into what two cavities?

Answer 3

Pleural cavity and mediastinum cavity

Question 4

Pleural cavity

Answer 4

Fluid-filled space between membranes, surround each lung

Question 5

Mediastinum cavity

Answer 5

Space between the lungs. Contains heart, aorta, trachea, and esophagus.

Question 6

Diaphragm

Answer 6

Muscular layer, separates thoracic cavity from the abdominal cavity

Question 7

Abdominal cavity

Answer 7

Front of body (periton/eal). Surrounded by membrane called peritoneum. Contains: stomach, sm and lg intestines, spleen, liver, gallbladder, pancreas.

Question 8

Abdominal cavity: kidneys

Answer 8

Kidneys are retroperitoneal- they align with the abdominal organs but are outside the peritoneal membrane.

Question 9

Pelvic cavity

Answer 9

Front of body. Beneath the abdominal cavity. Contains: urinary bladder, urethra, ureters (uterus, vagina, prostate)
Pelv/o= hip

Question 10

Spinal cavity

Answer 10

Back of body. Contains the spinal cord and spinal fluid.

Spin/o= backbone

Question 11

Spinal column: cervical

Answer 11

7 vertebrae: (C1-C7)

Question 12

Spinal column: thoracic

Answer 12

12 vertebrae: T1-T12

Question 13

Spinal column: lumbar

Answer 13

5 vertebrae: L1-L5

Question 14

Spinal column: sacral

Answer 14

5 vertebrae fused after birth to form 1 bone. Child S1-S5. Adult only one bone called the sacrum.

Question 15

Spinal column: coccygeal

Answer 15

4 fused vertebrae before birth to form one small bone called the tailbone.