-MALVIKA KOUSHIK-- 6B

Movement in Animals

What is movement?

Movement : Change in the position of any object without displacement.Locomotion : Change in the position of any object from place to place. Why do animals move?Ans: Animals move from place tot place: 1. In search of food, water and shelter 2. To escape from enemies and climatic conditions 3. To find suitable shelters for reproduction.

Organs

Musculo-skeletal system- helps you move and run

Nervous system- Sends messages to coordinate movementDigestive, Respiratory system- Digests food to give energyCirculatory, Respiratory system- Blood containing energy is circulated throughout the

body.Excretory system-Removes waste products from

body All these organs are involved while a person runs.

How does a Earth worm move?

A earthworm doesn’t have skeleton instead has muscles and liquid.

The muscles are circular and longitudinal.

They have stiff hair called Setae that helps to take grip of the ground.

It moves by regular contractions and expansions of the muscles

How does a snail move?

A snail has a exoskeleton that helps it to protect itself.

Moves by creeping on a ‘flat foot’ underneath the body

The band of muscles underneath the body expand and contract making rippling movement which causes the snail to move forward.

There is a special gland which secretes a slimy mucus to make a slipper track.

They can move about 3metres per hour.

How does a fish move?

It has a bony skeleton which helps it to move. It has a streamlined shape They use fins to move frontThe different fins they have are: Pectoral fins : Situated in the sides Dorsal fin: Located on the back Pelvic fin: Situated below the pectoral fin Anal fin:The anal fin is located on the

ventral surface Tail fin

How does a bird move?

A bird moves by flying A bird moves because of the wings They move the wings up and down to

propel forward They have strong chest muscles that

help them fly They also can walk and swim

The End…

Thanks For Watching..