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OUR
BODY
Class - 1
Page 2


OUR
BODY
Class - 1
Our  Body
Our body is incredible! It enables us to perform various
activities like eating, walking, running, and hopping. All
these activities are possible because of different parts of
our body working together.
Page 3


OUR
BODY
Class - 1
Our  Body
Our body is incredible! It enables us to perform various
activities like eating, walking, running, and hopping. All
these activities are possible because of different parts of
our body working together.
Different parts of Our Body
Our body can be divided into five main parts: head,
neck, Stomach, hands, and legs.
Let's explore each part and understand its role in our
daily activities.
Page 4


OUR
BODY
Class - 1
Our  Body
Our body is incredible! It enables us to perform various
activities like eating, walking, running, and hopping. All
these activities are possible because of different parts of
our body working together.
Different parts of Our Body
Our body can be divided into five main parts: head,
neck, Stomach, hands, and legs.
Let's explore each part and understand its role in our
daily activities.
PARTS OF THE BODY
H a i r
H e a d
C h e s t
A r m
S t o m a c h
F o o t
Page 5


OUR
BODY
Class - 1
Our  Body
Our body is incredible! It enables us to perform various
activities like eating, walking, running, and hopping. All
these activities are possible because of different parts of
our body working together.
Different parts of Our Body
Our body can be divided into five main parts: head,
neck, Stomach, hands, and legs.
Let's explore each part and understand its role in our
daily activities.
PARTS OF THE BODY
H a i r
H e a d
C h e s t
A r m
S t o m a c h
F o o t
1. HEAD
E y e b r o w
E y e
E a r
N o s e
M o u t h
To help hold sweat does
not enter the eyeball.
To see.
To hear.
To smell.
To talk and chew.
Read More
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FAQs on PPT: Our Body - Science for Class 1

1. What are the major systems in our body?
Ans. Our body consists of several major systems, including the respiratory system, digestive system, circulatory system, nervous system, and skeletal system. Each system performs specific functions to ensure the overall well-being of our body.
2. How does the respiratory system work?
Ans. The respiratory system is responsible for the exchange of gases, primarily oxygen and carbon dioxide, between our body and the environment. It includes organs such as the nose, trachea, bronchi, and lungs. When we breathe in, air enters through the nose or mouth, passes through the trachea and bronchi, and finally reaches the lungs where oxygen is absorbed into the bloodstream and carbon dioxide is released.
3. What is the function of the digestive system?
Ans. The digestive system is responsible for breaking down food into smaller molecules that can be absorbed by our body. It includes organs such as the mouth, esophagus, stomach, small intestine, and large intestine. The process of digestion involves the mechanical and chemical breakdown of food, absorption of nutrients into the bloodstream, and elimination of waste products.
4. How does the circulatory system function?
Ans. The circulatory system, also known as the cardiovascular system, is responsible for the transportation of oxygen, nutrients, hormones, and waste products throughout our body. It consists of the heart, blood vessels (arteries, veins, and capillaries), and blood. The heart pumps oxygenated blood from the lungs to the rest of the body through arteries, and deoxygenated blood returns to the heart through veins. Capillaries facilitate the exchange of substances between the bloodstream and body tissues.
5. What is the role of the nervous system?
Ans. The nervous system is responsible for coordinating and controlling the activities of our body. It includes the brain, spinal cord, and nerves. The nervous system receives and processes information from the environment through sensory receptors, sends signals to different parts of the body for appropriate responses, and helps maintain homeostasis. Additionally, it plays a vital role in cognition, emotions, and overall bodily functions.
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