True or False
When bending the arm, the muscle at the top of the arm becomes contracted
True
Muscles move the body by ...........the bones.
Pulling
Muscles often work in pairs.
Because when one muscle contract the other relax they work in pairs to help in movement
You stretch your arm
The inner muscle relax and the outer muscle contract
They are soft body parts that pull the bones attached to help in movement
Muscles
The human body has hard and strong muscles.
False
From Joints allow movement in one direction..........,............and........
Knee- elbow- ankle
Backbone has a great importance to the human body.
Because it helps in movement and give the human body it's flexibility
The backbone consists from one long connected bone
We can't bend or move with flexible move
the place where two bones meet and allow movement
Joint
The backbone consists of strong bones acting like a helmet
False
The ribs consist of..........
thin bones found on both sides of the chest
The skull consists of solid bones
To protect the brain (soft organ)
When the muscles of the body contract
It becomes shorter and harder
the part in joints that acts as a cushion, so bones don't rub against each other
Cartilage
The rabbit has strong and long hind limbs to help it walk and run steadily.
False
According to the method of movement, animals differ from each other in the............. and............. of bones, and also ...............strength
Shape and length of bones/ strength of muscle
Cat has flexible muscles and joints
To jump and climb
There's no cartilage between the ends of bones
There will be a friction between bones and there will be a difficulty in movement
the framework of bones that forms the shape of the body
Skeleton
Bones and muscles of animals and humans work together in the same way.
True
The skeleton of adult human consists from .........bones
206
Human and Animals share the basic concept of movement
Because all of them have backbone ( Skelton) ,joints and muscles
The body hasn't skeleton
We can't move
There's no support for our bodies
No protection for our vital organs
It has long and strong hind limb
Rabbit