Class 6
Chapter 8 Class 6 - Body Movements


What will happen if the backbone is made up of one long backbone?



If the backbone is made up of one long backbone, then we would not be able to bend our body.



What runs through the centre of the backbone



Spinal Cord



The skeleton of a cockroach is known as ------------



The cockroach skeleton is made of a substance known as chitin

Chitin is a hard material covered with a wax —like layer, which helps conserve the water inside the insects' body.



Which of the following moves faster: earthworm or snail?



Earthworm moves faster than snail.



When we bend our arm, which muscle contracts and which relaxes?



The elbow joint has two muscles that move the forearm up or down. These are the biceps on the front of the upper arm and the triceps on the back of the upper arm. To raise the forearm, the biceps contract and the triceps relax. To lower the forearm, the triceps contract and the biceps relax.



Name two birds which can also swim in water



Ducks and Geese.



Which material is present at the end of bones in a joint?



The end of bones of joints are covered by fibrous connective tissues known as cartilage. Cartilage are fibrous rubbery connective tissues that cover the end of bones in joints and prevent the bones from wearing out . The cartilage protects the bones from friction that would cause wearing out due to the rubbing against each other.



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CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo