Parts of the Body | Science Olympiad for Class 1 PDF Download

Human Body

• Our body is wonderful! We do all activity using our body. Thinking and our reasoning capability make us different from other living creatures of the earth. Our ability to communicate and think makes us human.
• Human beings have different body parts which perform different functions. There are five sense organs in the human body which help them sense things. Apart from sense organs human have some important organs like heart, brain, stomach, lungs etc.
• Our body has many parts and each one has different name and use. Let’s know the names of our body parts.
• We use our legs to kick, walk, skip, run, jump etc. We can wiggle our toes and fingers, write with our hands, lift things etc. While doing these things our body parts bends. Bending makes movement possible. All the places that bend in our body are called joints.

Parts of the Body

• Brain: We have seen a CPU in a computer system. Just like CPU is the processing unit of the computer system, our brain is the CPU of our body. Brain is present in the head of our body and is responsible for the activities of our body. Our brain gives instruction to all the other parts of our body. We are capable of thinking and memorizing due to the functioning of the brain only.
• Teeth: Teeth are white in colour and contain hardest substance present in the human body. They are present inside our mouth and are used for chewing and tearing the food. Humans have 20 milk teeth up to the age of 6 years whereas adults have 32 teeth which are the permanent teeth.
• Lungs: There is a pair of lungs in the human body present in the chest. Lungs assist us in breathing and purifying the blood.  
• Heart: Heart is the pumping organ present in our chest. It is an internal organ of our body. A healthy person’s heart beats 70-75 times/minute.
• Arms: We are humans and all of us have a pair of arms. Each arm consists of an elbow, wrist, hand and fingers. Hands are used for various activities like eating, writing, combing, cleaning, etc.
• Legs: We can perform several activities with the help of our legs. The legs are present in the lower body part of our body. Activities like running, walking, dancing, etc. can be performed with the help of legs only.