Locomotion requires a perfectly coordinated activity of:

How many organ systems are integrated for locomotion in humans?
Nervous system,Endocrine system,Muscular system,Skeletal system,Circulatory system

Locomotion requires a perfect coordinated activity of muscular system with $.......$ systems.

$A$ femur is kept in dilute $HCl$ for three days,it becomes

Differentiate between Pectoral and Pelvic girdle.

Fill in the blank spaces:
$(a)$ All mammals (except a few) have ............. cervical vertebra.
$(b)$ The number of phalanges in each limb of human is ............. .
$(c)$ Thin filament of myofibril contains $2 \,'F'$ actins and two other proteins namely .............. and ........... .
$(d)$ In a muscle fibre $Ca^{++}$ is stored in ............. .
$(e)$ .............. and .............. pairs of ribs are called floating ribs.
$(f)$ The human cranium is made of .............. bones.