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Worksheet: Skeletal & Muscular System - 2 | Science Class 5 PDF Download

Q1: Fill in the Blanks.


(i) The skeletal system is made up of _______ bones.
Worksheet: Skeletal & Muscular System - 2 | Science Class 5

(ii) The smallest bones in the human body are found in the _______.

(iii) The place where two or more bones meet is called a _______.

(iv) The strong, flexible tissue that covers the ends of bones at a joint is called _______.
Worksheet: Skeletal & Muscular System - 2 | Science Class 5

(v) The muscles that we can control voluntarily are known as _______ muscles.

Q2: Match the Column.

Worksheet: Skeletal & Muscular System - 2 | Science Class 5

Q3: Multiple Choice Questions (MCQ).


(i) Which of the following is not a function of the skeletal system?
(a)
Providing support and shape to the body
(b) Protecting vital organs
(c) Producing red blood cells
(d) Transmitting nerve impulses

(ii) Which type of muscles tire quickly and are found in the arms and legs?
(a)
Cardiac muscles
(b) Smooth muscles
(c) Skeletal muscles
(d) Involuntary muscles
Worksheet: Skeletal & Muscular System - 2 | Science Class 5

(iii) How many vertebrae are there in the human spine?
(a) 
12
(b) 24
(c) 33
(d) 26

(iv) Which bone protects the heart and lungs?
(a) 
Femur
(b) Ribcage
(c) Humerus
(d) Skull

(v) What is the main function of red blood cells?
(a)
Fighting infections
(b) Transporting oxygen
(c) Carrying nutrients
(d) Regulating body temperature
Worksheet: Skeletal & Muscular System - 2 | Science Class 5

Q4: True or False.


(i) The skull is a single bone that protects the brain.

(ii) Cartilage is more rigid and less flexible than bones.

(iii) Muscles can only pull and cannot push.
Worksheet: Skeletal & Muscular System - 2 | Science Class 5

(iv) Ligaments are fibrous tissues that connect muscles to bones.

(v) The muscular system helps in maintaining body posture.

Q5: Short Answer Questions.


(i) What are the three types of muscles in the human body, and give an example of each?

(ii) How do muscles work in pairs during movement?

(iii) What is the role of the ribcage in protecting vital organs?
Worksheet: Skeletal & Muscular System - 2 | Science Class 5

(iv) Why is calcium important for the skeletal system?

(v) How does regular exercise benefit the muscular system?
Worksheet: Skeletal & Muscular System - 2 | Science Class 5

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FAQs on Worksheet: Skeletal & Muscular System - 2 - Science Class 5

1. What are the functions of the skeletal system?
Ans. The skeletal system has several functions, including providing support and shape to the body, protecting internal organs, enabling movement through the attachment of muscles, producing blood cells, and storing minerals such as calcium and phosphorus.
2. How many bones are there in the human body?
Ans. The human body has a total of 206 bones. These bones vary in shape and size and are divided into two main groups: the axial skeleton, which includes the skull, spine, and ribcage, and the appendicular skeleton, which includes the bones of the limbs and the girdles that attach them to the axial skeleton.
3. What is the role of muscles in the body?
Ans. Muscles play a vital role in the body. They are responsible for movement, as they contract and relax to allow us to walk, run, lift objects, and perform various actions. Muscles also help maintain posture, generate heat to regulate body temperature, protect internal organs, and assist in the circulation of blood and lymph throughout the body.
4. How are muscles attached to bones?
Ans. Muscles are attached to bones through tough, fibrous connective tissues called tendons. Tendons connect the muscle to the periosteum, which is the outer layer of the bone. When a muscle contracts, it pulls on the tendon, which in turn pulls on the bone, causing movement.
5. What is the difference between voluntary and involuntary muscles?
Ans. Voluntary muscles, also known as skeletal muscles, are under conscious control. We can choose to contract or relax these muscles to perform specific movements. Involuntary muscles, on the other hand, are not under conscious control. They work automatically and continuously to control vital functions in the body, such as digestion, heartbeat, and breathing. Examples of involuntary muscles include the smooth muscles in the digestive system and the cardiac muscle in the heart.
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