Covering layer of lungs Short bone in our body How many pairs of spinal nerves Layers of heart

Pleural cavity

Two types :

Visceral pleura- covers the lungs

Partial pleura-cover the internal surface of thoracic cavity.

31 pair of spinal cord nerves

Epicardium, Myocardium,and Endocardium

Pleura is a covering layer of the lungs. Carpals and tarsals is a short bone in our body. Spinal nerves are 31 pairs. Heart has 3 layers endocardium, myocardium, epicardium. ( smallest bone is stapes)

31 pairs There are 8 cervical nerves, 12 thoracic nerves, 5 lumbar nerves, 5 sacral nerves, and 1 coccygeal nerve.

31 pairs There are 8 cervical nerves, 12 thoracic nerves, 5 lumbar nerves, 5 sacral nerves, and 1 coccygeal nerve.