Fill in the blank spaces with appropriate words
In animals proper support ensures that and
are held in their rightful places and enables animals to move.
There are mainly two types of skeletons
and .
Locomotion in fish is made possible due to presence of and streamlined body of the fish.
The contract and relax alternately making the fish to move
Paired fins of the fish which are and
enable it to brake or slow down.
in fish is controlled by pectoral and pelvic fins.
