Last updated on June 28th, 2023 at 09:17 pm
Class 5 Breathe in Breathe out Question Answer
Fill in the blanks:
Answers:
- Nostrils
- Nasal passage
- Ribcage
- Diaphragm
- Inhalation
- Exhalation
- Air sacs
Breathe in Breathe Out MCQ
Q- We breathe in
- Oxygen
- Nitrogen
- Carbon dioxide
Q- The lungs are protected by…………
- Ribcage
- Diaphragm
- Windpipe
Q- It is a muscular organ that pumps blood throughout the body.
- Lungs
- Heart
- Windpipe
Q- When we breathe out air, it is called…………….
- Inhalation
- Exhalation
Q- The rate of breathing of an adult is about ………….times per minute.
- 16
- 40
- 72
Answer the following questions
Q: What do you mean by the term breathing?
Answer: Breathing is a simple physical process involving a gaseous exchange between the organism and its surroundings.
Q: Explain the process of exhalation.
Answer: When we breathe in air, the diaphragm moves down and the lungs become large .when we breathe out air, the diaphragm relaxes and moves up, pushing the air out from the lungs. this process of breathing air is called exhalation.
Q: What are the organs of respiratory organs?
Answer: The organs of the respiratory system include the nose, windpipe, and lungs.
Q: What is the function of the heart?
Answer: The heart pumps blood to each body part. blood carries oxygen to all parts of the body and carries back carbon dioxide to the lungs.
Q: What is a stethoscope?
Answer: A stethoscope is an instrument a doctor uses to listen to the sound of our heartbeat.
Q: What is breathing?
Breathing is a physical process that involves gaseous exchange between an organism and its surroundings.
Q: What are the openings in the nose called?
The openings in the nose are called nostrils.
Q: What are the lungs?
The lungs are soft and spongy bags made of millions of air passages surrounded by blood vessels that are responsible for breathing.
