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NCERT Solutions for Class 6 Science - Body Movements

Q1: Fill in the blanks:
(a) Joints of the bones help in the __________ of the body. 
Ans: Movement

(b) A combination of bones and cartilage forms the __________ of the body. 
Ans: Skeleton

(c) The bones at the elbow are joined by a __________ joint. 
Ans: Hinge joint

(d) The contraction of the __________ pulls the bones during movements. 
Ans: Muscles

Bicep MusclesBicep Muscles

Q2: Indicate true (T) and false (F) among the following sentences.
(a) The movement and locomotion of all animals is exactly the same. 
Ans: False

(b) The cartilage are harder than bones. 
Ans: False

(c) The finger bones do not have joints. 
Ans: False

(d) The forearm has two bones.
Ans: True

(e) Cockroaches have an outer skeleton. 
Ans: True


Q3: Match the items in Column I with one or more items of Column II.
NCERT Solutions for Class 6 Science - Body Movements

Ans:
NCERT Solutions for Class 6 Science - Body Movements


Q4: Answer the following:
(a) What is a ball and socket joint?
Ans: The rounded end of one bone fits into the cavity (hollow space) of the other bone. Such a joint allows movements in all directions, which is called a ball and socket joint.

(b) Which of the skull bones are movable? 
Ans: The lower jaw bone or mandible is the only movable bone in the skull.  

Lower JawLower Jaw(c) Why can our elbow not move backward? 
Ans: Elbow joint is composed of the hinge joint. These joints allow movement in one plane and up to 180° only. Hence, we cannot move our elbows backward.

The document NCERT Solutions for Class 6 Science - Body Movements is a part of the Class 6 Course Science Class 6.
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FAQs on NCERT Solutions for Class 6 Science - Body Movements

1. How do muscles help in body movements?
Ans. Muscles help in body movements by contracting and relaxing. When a muscle contracts, it pulls on the bones, causing movement.
2. What are the types of joints in the human body?
Ans. The human body has three main types of joints: fibrous joints, cartilaginous joints, and synovial joints.
3. How does the skeletal system support body movements?
Ans. The skeletal system provides a framework for the muscles to attach to, allowing for movement. It also protects internal organs and provides support for the body.
4. Why is it important to have good posture?
Ans. Good posture helps to keep the body in alignment, reducing strain on muscles and joints. It also helps to prevent back and neck pain.
5. How can stretching help improve body movements?
Ans. Stretching helps to improve flexibility and range of motion in the joints, making it easier to move and reducing the risk of injury.
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