Heart is covered by tough double membrane called…..
a) pleura
b) pericardium
c) tonoplast
d) plasma membrane
The function of the pericardium membrane is
a) protects the heart from over extension
b) bring nutrients to the walls of heart
c) helps in pumping
d) all of these
The membranes around the heart are separated by small cavity filled with……….
a) cerebro-spinal fluid
b) interstitial fluid
c) pericardial fluid
d) plasma fluid
The heart of birds and mammals has…….sides.
a) two
b) three
c) four
d) one
The two sides of the heart is separated by a……
a) pericardium
b) septum
c) fluid
d) all of these
Each side of the heart is divided into………….. chambers.
a) two
b) three
c) four
d) one
