Gallery
3rd Grade ICSE
Share
Explore
Pages
02. The Human Body

icon picker
Answer in one line

Prepared by: learnloophq@gmail.com
Last edited 37 days ago by Learn LoopHQ.

Chapter: 02. The Human Body

⁠

Answer in One Line

How do our sense organs help us?
Our sense organs help us to see and understand the world around us and respond accordingly.
What is the smallest unit of the human body?
The smallest unit of the human body is called a cell.
What is the function of the skeleton in our body?
The skeleton gives shape and support to our body and protects its soft, inner parts.
How do muscles help bones?
Muscles help the bones to move, enabling various bodily actions.
What is the main function of the brain?
The main function of the brain is to help us think, gather information, decide responses, and send instructions to other body parts.
Where is the heart located and what does it do?
The heart is located in the chest cavity and its main function is to pump blood through tiny tubes called blood vessels to different parts of our body.
What is the role of the large intestine in digestion?
The large intestine absorbs extra water from the undigested food before it is passed out of the body.
Name the three main parts of the respiratory system.
The three main parts of the respiratory system are the nose, windpipe, and lungs.
What is the difference between inhaled and exhaled air?
Inhaled air is rich in oxygen, while exhaled air is rich in carbon dioxide.
What is the essential function of the lungs?
The essential function of the lungs is to provide oxygen from inhaled air to the bloodstream and to exhale carbon dioxide.
What happens to the diaphragm during exhalation?
During exhalation, the diaphragm moves upwards, which helps to push air out of the lungs.
Why is clean air important for us?
Clean air is important for us because we need it to survive and cannot live without it for even a few minutes.
List two human activities that cause air pollution.
Two human activities that cause air pollution are the release of smoke and harmful gases from factories and the fumes from car exhausts.
How does air pollution affect human health?
Air pollution can make people sick, cause breathing difficulties, and lead to lung cancer, respiratory, and heart diseases.
Why are electric vehicles considered good for the environment?
Electric vehicles are considered good for the environment because they run on electricity and produce no smoke, reducing air pollution.
What is the term for the process of taking in oxygen and giving out carbon dioxide?
The term for the process of taking in oxygen and giving out carbon dioxide is breathing.
What is the role of joints in the body?
Joints are places where two or more bones meet, allowing the body to bend and move.
What happens to digested food in the small intestine?
In the small intestine, digested food is further broken down, and its nutrients are absorbed into the blood.
Why should we look after our body?
We should look after our body because it is an amazing machine that performs various functions and can even repair itself.
How many joints are there approximately in our body?
There are approximately 360 joints in our body.
Which bones protect the soft brain?
The skull protects the soft brain.
What is the role of ureters in the excretory system?
Ureters carry urine from the kidneys to the urinary bladder.
Briefly explain the conclusion drawn from the activity on the working model of the human respiratory system.
The activity concludes that when space is created inside the bottle (like diaphragm contracting), air enters and fills the balloon (lungs), and when space is reduced, air is pushed out.
How do factories and industries contribute to air pollution?
Factories and industries contribute to air pollution by releasing smoke and other harmful gases into the atmosphere.
Besides causing sickness, what other major health problems can polluted air lead to?
Besides causing sickness, polluted air can lead to lung cancer, various respiratory diseases, and heart diseases.
Why is it better to sell old newspapers to a scrap dealer rather than burning them?
It is better to sell old newspapers to a scrap dealer for recycling because burning them releases harmful smoke and gases into the atmosphere, contributing to air pollution.
What is the largest bone in the human body?
The largest bone in the human body is the femur, also known as the thigh bone.
What do we call a doctor who specializes in treating conditions related to bones and muscles?
A doctor who specializes in treating conditions related to bones and muscles is called an orthopedist.
Why can’t we move our elbow in all directions?
We cannot move our elbow in all directions because it is a hinge joint, allowing movement primarily in one plane (bending and straightening) rather than full rotation.
What are the tiny air sacs in our lungs called?
The tiny air sacs in our lungs are called alveoli.
What is another name for the windpipe?
Another name for the windpipe is the trachea.
Why might daily physical activities help someone like Puneet who complains of pain in legs and arms?
Daily physical activities can help Puneet by strengthening his bones and muscles, improving flexibility, and increasing blood circulation, which can reduce pain and improve overall physical health.
⁠
Gallery
Share
 
Want to print your doc?
This is not the way.
Try clicking the ⋯ next to your doc name or using a keyboard shortcut (
CtrlP
) instead.