Comparative study of Heart
1). The heart is pumping organ operates........................................&..................................systems.
2). In the case of fishes, the heart shows presence of.......................................chambers.
2). In the case of fishes, the heart shows presence of.......................................chambers.
3). The heart is enclosed in
double-walled membrane of.............................................................
4). The pericardial cavity is
filled with.........................................................
5).In the case of fishes, heart is
in............................................................................shaped
manner.
6). The sinus venosus is formed by
the union of two .....................................&................................
7)................................................prevents
the ventricle from collapse & expansion of the heart.
8).In the heart of fish only
deoxygenated blood is circulates hence it is called
as...........................................
9). In amphibians purification
of the blood is takes place in.............................&.............................
10). The heart of amphibians is
called as...........................................................................heart.
11). Heart of amphibians is
formed by the union of
..................................&..................................
12). The auriculo-ventricular valve
prevents.....................................................................................
13). Truncus arteriosus shows
two parts that are distal .........................& …………..................
14). In reptiles.respiration
takes place by .................
15). In reptiles left chamber
of ventricle is called.......................................................................
16). In amphibians, the cavity
of ventricle shows the presence of muscular strands called ........................................................................................
.
17). In reptiles mixed type of
blood is circulating because of the foramen of.....................................
18). In birds/mammals the
opening of post cava into right chamber of the auricle
is guarded
by.................................................................
19). In mammal both the auricle
opens into the ventricle by means of an aperture called.........................................................
20). In amphibians heart is
of.................................................................chambers.
21). In reptiles, the heart is of
.....................................................................chambers.
22). In birds/mammal heart is
of ..........................................................chambers.
23). The heart of fish is
called................................................................heart.
24). In the case of amphibians in
water ....................................................respiration takes
place.
25). In amphibians auricle is
internally divided into two chambers by means
Of..............................................................
26). In case of reptile right
side of auricle contains
.................................................blood.
27). In the case of birds &
mammals pacemaker system consist of ................................................
&..................................................................
28) Sinus venousus is the ………………………................chamber
of heart.
29) Ventricle leads in to the
narrow tube called................................................................
30) The cavity of conus
arteriosus shows the presence of two rows valves called a...................... .......................valve.
31) The blood passes through
only once hence circulation is called as .....................................
32) Opening of systemic &
pulmonary aorta into the ventricle is guarded by....................................................................
33) In the case of birds/mammals left chamber of auricle receives
oxygenated blood from 
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