Movement is characteristic
living organisms
a
fundamental of .
·
·
Locomotion is a
type of voluntary movement that in
results
change
location or .
of place
All forms of LocOMOTION are considered movements ,
but all movements does not
Mesult in LOCOMOTION .
Animals locomotion to
·
typically perform search
for essentials like
food ,
shelter and mates ,
or to
escape from predators and
unfavorable conditions.
# movements :
Types of
·
AMOEBOLD MOVEMENT :
in the unicellular like Amoeba.
streaming of protoplasm organisms
·
Some in humans like and leucocytes
specialised cells
·
macrophages
in blood that exhibit amoeboid movement .
This movement is
effected by pseudopodia formed by streaming
·
of protoplasm .
·
Cytoskeletal elements like microfilaments are also involved
in amoeboid movement .
·
CILIARY MOVEMENT :
Occurs in most internal tubular which is lined by
·
of our
organs ,
ciliated epithelium.
, Cilia in
removing dust particles and
·
EA :
helps some of the
foreign
substances inhaled with the atmospheric air .
along
·
APIAN TUBE: passage of ove
through the
female reproductive tract
(fallopian tube) .
·
FLAGELLAR MOVEMENT :
Cilia and are the of the cell membrane
flagella outgrowths
· .
movement helps in the
swimming of Spermatozoa
flagellar
· .
·
Maintenance of water current in the canal
system of sponges.
~
Locomotion Protozoans like
of Eaglena -
·
MUSCULAR MOVEMENT :
·
Our limbs
jaws etc. require this movement
, ,
tongue .
The contractile muscles are used for
property of effectively
·
and in of multicellular
locomotion movements
majority organisms
humans)
(including .
· Locomotion requires a
perfect coordinated activity with muscular,
Skeletal and neural systems -
-
us
· Muscle is a
specialised tissue of marmal origin
.
About 40.50 % the adult is contributed
·
of body weight of a human
by
muscles.
·
Properties of muscles :
>
-
excitability
>
-
contractility
>
-
extensibility
-
elasticity