Question

1/20 \endocardium\ means: the inner membrane covering the cavities of the heart the inner membrane covering the bronches the outer membrane around the heart the outer membrane around the lungs

Explanation:

The endocardium is the inner - most layer of tissue that lines the cavities of the heart. It is not related to the bronchi or the outer membranes of the heart or lungs.

Answer:

the inner membrane covering the cavities of the heart