NCERT Solutions for Class 6 Science Chapter 8 - Body Movements





















FAQs on NCERT Solutions for Class 6 Science Chapter 8 - Body Movements
Q1. Statement - Two muscles are needed to move a bone. True or False.
It’s true because muscles can only pull but cannot push. This is the reason, two muscles are required to move a bone. The muscle contraction helps the bone to move.
Q2. How Does a Fish Move in Water?
A fish moves by penetrating the volume of water in front of it. It is possible as their body is streamlined and the head and tail of the body are shorter and narrower than the rest of the body. The tail further helps to sway away from the water so that the fish can move.
Q3. What are body movements?
Body movements are one of the most important characteristics of all living organisms. It is defined as a change in the position of a body part in relation to the rest of the body. It includes walking, eating or blinking the eyes. The body of any living organism demonstrates some form of activity using the ability of body movements. In humans and most of the living organisms, this body movement is possible because of the joints.
Q4. What do you mean by movement according to Chapter 8 of Class 6 Science?
Movement refers to the shifting position of the body or any portion of the body. It is one of the most important functions of the body. It includes our day-to-day activities like walking, eating etc. The human body's skeleton is made up of bones and cartilage which provides structure and shape to the body and helps in mobility or the body. The most important part of the body that regulates movements are the joints.
Q5. What makes the bones move according to Chapter 8 of Class 6 Science?
Every movement that our body performs is only possible because of the joints. Joints are the areas where two or more bones are joined or connected together. These joints help different parts of the body to move accordingly. There are different types of joints for different places in the body. Following are the types of joints found in a human body:
Ball and socket joint
Pivotal joint
Hinge joint
Fixed joint
Q6. What is ball and socket joint according to Chapter 8 of Class 6 Science?
Ball and socket joint is a type of joint that is found in the areas of the body such as Hip and joint of the shoulder. The function of the ball and socket joint is to allow movement of these areas of the body. One bone's rounded end fits into the cavity that is the hollow space of the other bone. This type of joint allows for movement in all directions.
Q7. What is Hinge joint in Chapter 8 of Class 6 Science?
Have you ever noticed the hinges of the door? The way it helps the door to move back and forth, similarly, the hinge joints present in several parts of the human body helps it move the part back and forth. Hinge joints can be found in the elbow, knees, jaw and finger joints. The movement of the hinge joint is only restricted to move backwards and forward. The details can be referred to by visiting NCERT Solutions from Vedantu. The NCERT solutions are available on Vedantu’s official website (vedantu.com) and mobile app free of cost.