NCERT Solution for Class 6 Science Chapter 8 - Body Movements
NCERT Textbook Solutions are considered extremely helpful when preparing for your CBSE Class 6 Science exam. TopperLearning study resources infuse profound knowledge, and our Textbook Solutions compiled by our subject experts are no different. Here you will find all the answers to the NCERT textbook questions of Chapter 8 - Body Movements.
All our solutions for Chapter 8 - Body Movements are prepared considering the latest CBSE syllabus, and they are amended from time to time. Our free NCERT Textbook Solutions for CBSE Class 6 Science will strengthen your fundamentals in this chapter and can help you to score more marks in the examination. Refer to our Textbook Solutions any time, while doing your homework or while preparing for the exam.
NCERT Solution for Class 6 Science Chapter 8 - Body Movements Page/Excercise 77
Concept insight: Recall the concept of human body and its movement.
Concept insight: Different types of organisms have different locomotion and movements patterns. For example - birds fly, humans have bipedal locomotion, and animals have quadrupedal locomotion.
Concept insight: Cartilages are flexible and less rigid than bones because the amount of calcium and phosphorus in cartilages is less than bones.
Concept insight: Finger bones also have joints.
Concept insight: Yes, fore arm has two bones radius and ulna.
Concept insight: Outer skeleton of cockroaches is made up of a protein called chitin.
NCERT Solution for Class 6 Science Chapter 8 - Body Movements Page/Excercise 78
Concept insight: Important from Exam Point of View.
(a) Ball and socket joint is a movable joint. It consists of a bone that has a round head, which fits into a cup like depression of another bone. This helps the bone to rotate freely. Examples of such joints are hip and shoulder joints.
Concept insight: Ball and socket joint allows movement in all directions.
(b) Lower jaw bone (Mandible bone) is the only skull bone that is movable.
Concept insight: Rest all the skull bones are fused with each other except lower jaw bone.
(c) The elbow has a hinge joint. This type of a joint allows the movement in one plane only. Therefore, our elbow cannot move backwards.
Concept insight: A hinge joint allows the movement in only one direction.
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