Last updated on June 28th, 2023 at 11:57 pm
Class 3 Human Body System Questions And Answers
Class 3 Human Body System Questions And Answers | 03 – Grade 3 Science Question Answers | Question Answers / Solutions /for CBSE / ICSE/State
Fill in the blanks:
………… is the part of the respiratory system. [lungs/intestines]
…………..controls all the parts of the body. [brain/heart]
the skin helps to regulate the body temperature by ………….. sweating.
kidneys help to remove waste material from the body in the form of …………urine
………. and ……….. form the nervous system. [brain/nerves]
the human body is made up of ……… bones. [206 / 602 ]
Answer the following questions
Que. – How the sense organs are connected to the brain?
Ans. – The sense organs are connected to the brain through the nerves.
Que. – Can we keep the window of a room closed all the time give a reason.
Ans. – No it is not right to keep the window of a room closed every time because humans need fresh air to breathe.
Que. – Which organ system helps the body and its parts move?
Ans. – Skeletal system and muscular system
Que. – What is the function of the Excretory system?
Ans. – The excretory system helps us to remove waste from our body
Que. – What is the function of the heart?
Ans. – Our heart pumps blood to different parts of our body
Que. – How does the hair in our nose helps us?
Ans. – The hair in our nose prevents dust and germs from entering our nose.
Que. – Define digestion.
Ans. – Digestion is the process of changing food into a simple form that can be used by the body.
Que. – How many bones are there in our body?
Ans. – There are 206 bones in our body
Que. – What does saliva do to food in our mouth?
Ans. – Saliva mixed with the food to make it soft
Que. – Name the system in our body that controls all other systems.
Ans. – The Nervous System controls all the different organ systems of our body
Que. – What is the function of kidneys?
kidneys filter the blood and remove the wastes in the form of urine.
Que. – What is the function of the respiratory system?
this system helps us to breathe and absorb oxygen in our blood .
Que. – How does the tongue help us taste food?
Different areas of the tongue have different taste buds that enable us to feel tastes like sweet, sour, salty, and bitter.
Que. – How do the ears keep us safe?
If we hear the sound of a bus or car horn, we can move to one side to avoid accidents while walking on the road.
Que. – What are the different parts of the nervous system?
the different parts of the nervous system are the brain, spinal cord, and nerves.
Que. – What is the function of the reproductive system?
the reproductive system helps in producing young ones.
Human Body Online Test MCQ
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