Question

In rabbit, the lung are lodged in
A. thoracic cavity
B. abdominal cavity
C. Pleural cavity
D. Pericardial cavity

Answer 1

Hint: Rabbit is the mammal which gives birth directly to young ones, the respiratory organ lungs are found in rabbits which are present in the pleural cavity. Pleural belongs associated with the lungs. The lungs are situated in the thoracic region of the body, which is the second largest cavity of the body in case of humans.

Complete answer:
Pleura are the two layers which enclosed the lung and support the breathing process easily. Pleura are composed of two layers named as outer parietal pleura and inner visceral pleura, and narrow space present in between these two layers where pleural fluid is present which ease the breathing process without friction.

Hence, the correct answer is option (C).

Additional information:
> Option A:
Thoracic cavity is the chest cavity region, which is enclosed by the ribs, where lungs along with heart are present, so that thoracic region is not the right answer.
> Option B:
Abdominal cavity is the region where digestive organs or digestive associated organs, excretory organs and other accessory organs are present. Which is one of the largest cavities in the body. This option is not true.

> Option D:
Pericardial cavity is a cavity associated with heart, it is the space where heart is present and the pericardium is pericardial sac which is double walled sac that contains the heart and root of great vessels. The pericardial cavity enclosed by two layers which are called as a serous layer and a fibrous layer, these layers contain pericardial fluid.

Note: Apart from pericardial cavity, pleural cavity, abdominal cavity and thoracic cavity, there are some more cavities are found like cranial cavity where brain is present, peritoneal cavity which form by peritoneum which surround the abdominal walls.