Question

The organ A situated at left side of the chest which is enclosed within a fluid filled cavity B. The wall of organ A and lining of cavity B made up of a membrane known as C. The structure C protect the heart from mechanical injury. The organ A is surrounded by outer wall D composed of thin membrane and protect it that organ. Middle wall E which is muscular in nature and inner wall lines the chambers of organ A.

i. Name the organ A.

ii. Which is that fluid filled cavity B and structure C.





iii. Name the outer wall D composed of thin membrane and protect the organ A.





iv. Name the middle wall E and give its function.​

Answer 1

Answer:

iii) Name the outer wall D composed of thin membranes and and protect organ A

Answer 2

1.) Heart , 2.) pericardial cavity, pericidial fluid , 3.) pericardium , 4.) Rib cage I hope it helps you