on March 5, 2022, 9:13 AM
NCERT Solutions for Class 2 Science Chapter 5 Bones and Muscles question answers, practice assignments, MCQ and extra questions updated for session 2024-25 free to use. All the questions given at the end of the chapters are helpful to revise the entire chapter of Class 2 Science Chapter 5. This chapter describes about the different type of bones and muscles present in our body. Students find this chapter very interesting read and learn.
Study Material for Class 2 Science Chapter 5
NCERT Solutions for Class 2 Science Chapter 5 Bones and Muscles
NCERT App for Class 2
Bones and Muscles
Our body is made up of bones and muscles. The skin covers our whole body from the outside. Let us learn about the bones and muscles of our body.
Bones
Bones are hard. They give shape and support to our body. They also protect internal organs of our body like the heart and lungs. Our body has 206 bones and more than 600 muscles.
Joints
The place where two bones join is called a joint. We can bend our body around the joint.
Muscles
Muscles are soft and fleshy. They are attached to the bones. Muscles are responsible for all of our body movements. They help the bones to move.
How Bones and Muscles Work?
Bones and muscles work together. They enable us to stand, run, walk, and to do many works. Muscles and bones help us play games. Some muscles work independently. Muscles of our eyes work independently. They do not need the support of the bones. Similarly, the muscles of the stomach help to digest the food. The muscles of our heart keep working day and night. They pump blood to all parts of our body.
Care of the Bones and Muscles
You know that all our activities depend on our bones and muscles. So we should take good care of our bones and muscles. Regular exercises and games keep our bones and muscles fit.
Posture
Posture is the way we keep our body when we sit, stand or walk. Correct posture is essential for our bones and muscles to work properly.
Sitting Posture
Keep your back straight. Keep your chest up. Never bend your shoulders.
Standing Posture
Keep your back straight. Keep your chest out and chin in.
Walking Posture
Keep your back straight. Keep your head up. Swing your arms freely.
Important Points:
1. Muscles help the bones to move.
2. Our body is made up of bones and muscles.
3. Bones give shape and support to our body.
4. Correct postures keep our bones and muscles fit.
5. Our body has 206 bones and more than 600 muscles.
6. Bones and muscles work together.
7. One bone is attached to the other bones at a joint.
8. Exercise makes our bones and muscles strong.
9. Food is important for good health.
Choose the correct answers from given options:
___________ are hard and give shape to the body.
The point where two bones meet is called a_________.
Exercise makes the muscles ___________.
Which of the following is not a joint?
Choose the correct words from the brackets:
1. Bones and muscles work _____. (together/independently)
2. The muscles of our ______ work day and night. (legs/heart)
3. Exercises make our muscles _____. (weak/strong)
4. Bones are _____. (hard/soft)
5. Muscles are attached to the ____. (bones/hair)
Answers
1. together
2. heart
3. strong
4. hard
5. bones
Write “True” or “False”:
1. All muscles work together.
2. The heart pumps blood to all the parts of our body.
3. Muscles are harder than bones.
4. An adult human has 206 bones.
Answers:
1. false
2. true
3. false
4. true
What is the main function of the muscles?
Muscles are responsible for all of our body movements. They help the bones to move.
What is posture?
Posture is the way we keep our body when we sit, stand or walk. Correct posture is essential for our bones and muscles to work properly.
How many muscles and bones are there in our body?
Our body has 206 bones and more than 600 muscles.
