Organizations of the Human Body

Question 1

Axial portion

Answer 1

consists of the head, neck, and trunk

Question 2

Appendicular portion

Answer 2

consist of the arms and legs

Question 3

Dorsal Body Cavity

Answer 3

• near the posterior portion of the body
• cranial cavity
• vertebral cavity

Question 4

Cranial Cavity (dorsal body cavity)

Answer 4

formed by the cranial bones containing the brain

Question 5

Vertebral Cavity (dorsal body cavity)

Answer 5

formed from the vertebrae containing the spinal cord, etc…

Question 6

Ventral Body Cavity

Answer 6

• near the anterior portion of the body
• its walls are composed of skin, connective tissue, bone, muscle, and the serous membranes
• the organs within this cavity are called viscera
• the 2 major portions of this cavity are separated by a muscular diaphragm
• thoracic cavity
• abdominopelvic cavity

Question 7

Thoracic Cavity (chest cavity) (ventral body cavity)

Answer 7

• can be divided into pleural cavities that contain the lungs
• the walls of the pleural cavity are lined by the parietal viscera
• lungs are covered by another membrane called the visceral pleura
• serous fluid serves to separate the parietal and visceral pleura
• the mediastinum is consist of the following: heart, trachea, thymus gland, esophagus, brachii, and the vessels
• the pericardial cavity is another potential cavity that contains the heart
• the visceral pericardium cover the heart and the parietal pericardium is associated with the walls

Question 8

Abdomionpelvic Cavity

Answer 8

• it can be divided 2 portions or 4 quadrants, or 9 portions
• abdominal cavity
• pelvic cavity
• a vertical and horizontal line passing through the umbilicus serves to the divide the quadrants
• the quadrants include the right upper quadrant, right lower quadrant, left upper quadrant, and the left lower quadrant

Question 9

Abdominal Cavity (abdominopelvic cavity)

Answer 9

• consists of the stomach, spleen, liver, gall bladder, pancreas, small intestines, and most of the large intestine
• the parietal peritoneum lines the wall, and the visceral peritoneum covers each organ
• the potential space is referred to as the peritoneal cavity

Question 10

Pelvic Cavity

Answer 10

• the portion of the abdominopelvic cavity basically enclosed by the pelvic bones
• contains portions of the large intestines, urinary bladder, and internal reproductive organs