Respiratory System - Science Project 9 Grade
Quiz elaborated by 9 graders under a project about the Respiratory System
Questions and Answers
- 1.
What is the normal number of breaths per minute?
- A.
12 to 16 with 2 seconds separation
- B.
30 to 35 with 4 seconds separation
- C.
10 to 18 with 2 seconds separation
- D.
5 to 8 with 5 seconds separation
- E.
10 to 18 with 4 seconds separation
Correct Answer
C. 10 to 18 with 2 seconds separationExplanation
The normal number of breaths per minute is typically between 10 to 18 with a 2-second separation. This range is considered normal for a healthy adult at rest. The 2-second separation refers to the duration between each breath.Rate this question:
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- 2.
What is the first part of the respiratory system?
- A.
Pharynx
- B.
Larynx
- C.
Mouth
- D.
Nose
- E.
Trachea
Correct Answer
D. NoseExplanation
The first part of the respiratory system is the nose. It is responsible for filtering, warming, and moistening the air we breathe before it enters the lungs. The nose also contains tiny hairs called cilia, which help to trap dust, pollen, and other particles, preventing them from entering the respiratory system. Additionally, the nose is lined with mucus-producing cells that further help to trap and remove harmful substances from the air.Rate this question:
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- 3.
What are Bronchioles?
- A.
Subdivisions of bronchi
- B.
Part of the trachea
- C.
Where gas exchanges happen
- D.
Cartilages of the larynx
- E.
Parts of the diaphragm
Correct Answer
A. Subdivisions of bronchiExplanation
Bronchioles are small airways in the lungs that branch off from the bronchi. They are responsible for further dividing the air passages and delivering air to the alveoli, where gas exchanges occur. The bronchioles do not belong to the trachea, larynx, or diaphragm, but are instead subdivisions of the bronchi.Rate this question:
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- 4.
What internal respiration serves for?
- A.
Generate Carbon Dioxide
- B.
Generate Carbon Monoxide
- C.
Generate ATP
- D.
Generate nails
- E.
Generate the trachea
Correct Answer
C. Generate ATPExplanation
Internal respiration serves to generate ATP. ATP is the main energy currency of the cell and is required for various cellular processes. During internal respiration, oxygen is delivered to the cells and used in the process of cellular respiration to produce ATP. This occurs in the mitochondria of the cells, where glucose and oxygen are metabolized to produce ATP through a series of chemical reactions. Therefore, internal respiration is essential for providing the necessary energy for cellular activities.Rate this question:
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- 5.
The respiratory system is a part of the
Correct Answer
autonomic nervous systemExplanation
The autonomic nervous system is responsible for controlling involuntary bodily functions, including the respiratory system. The respiratory system consists of organs and tissues involved in the exchange of gases, such as the lungs and diaphragm. These organs are regulated by the autonomic nervous system, which controls breathing rate and depth based on the body's needs. Therefore, it is correct to say that the respiratory system is a part of the autonomic nervous system.Rate this question:
- 6.
It is located from the mouth until the
Correct Answer
lungsExplanation
The given answer states that "It is located from the mouth until the lungs." Based on the context provided, it can be inferred that the answer is referring to the respiratory system or the pathway of air. Air enters the body through the mouth and travels down the throat, through the trachea, and finally reaches the lungs where the process of respiration takes place. Therefore, the answer is suggesting that the location of the described pathway is from the mouth until the lungs.Rate this question:
- 7.
It is controlled by parts of pons, bainstem and
Correct Answer
- 8.
The acessory muscles of the respiratory system are
Correct Answer
they are sternocledomastoid, platysma and scalene muscles of the neckExplanation
The accessory muscles of the respiratory system are the sternocleidomastoid, platysma, and scalene muscles of the neck. These muscles are not directly involved in the normal breathing process but are recruited during times of increased respiratory demand or when the primary breathing muscles are compromised. The sternocleidomastoid muscle helps elevate the sternum and rib cage during deep inhalation, while the platysma muscle assists in elevating the hyoid bone and opening the airway. The scalene muscles aid in elevating the upper ribs and expanding the chest cavity during forced inhalation.Rate this question:
- 9.
Why is the respiratory system important?
- 10.
What does this experiment represents in the respiratory system
- 11.
Explain how the respiratory system works
- 12.
Why is it better to breathe by the nose than by the mouth?
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Current Version
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Aug 18, 2023Quiz Edited by
ProProfs Editorial Team -
Jun 03, 2009Quiz Created by
Jdrechsler
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