Human Respiratory System

Q.

Describe the parts of the human respiratory system.

Q.

What are oxysomes?

Q.

Identify the parts labelled 1-8 in the diagram given below.

1. 1. Nasal cavity, 2. Pharynx, 3. Trachea, 4. Lungs, 5. Bronchi, 6. Alveoli, 7. Bronchiole, 8. Diaphragm

2. 1. Nasal cavity, 2. Pharynx, 3. Trachea, 4. Lungs, 5. Bronchi, 6. Bronchioles, 7. Alveoli, 8. Diaphragm

3. 1. Nasal cavity, 2. Trachea, 3. Pharynx, 4. Lungs, 5. Bronchioles, 6. Bronchi, 7. Alveoli, 8. Diaphragm

4. 1. Nasal cavity, 2. Pharynx, 3. Lungs, 4. Bronchi, 5. Bronchioles, 6. Diaphragm, 7. Alveoli, 8. Trachea

Q.

Label the parts of the respiratory system

1. (i) –C, ii –B, (iii)- F, (iv) – D, (v) – G, (vi) – A, (vii) – E

2. (i) –D, ii – C, (iii)- A, (iv) – B, (v) – G, (vi) – F, (vii) – E

3. (i) –F, ii – G, (iii)- E, (iv) – D, (v) – B, (vi) – A, (vii) – C

4. (i) –A, ii – G, (iii)- B, (iv) – C, (v) – E, (vi) – D, (vii) – F

Q.

Lungs are enclosed in/covering around lungs in

1. Pericardium

2. Pleural membrane

3. Peritoneum

4. Perichondrium

Q.

The double layered protective membrane of the lungs is ____.

1. pleural membrane

2. pericardial membrane

3. cranial membrane

4. thoracic membrane

Q.

Statement 1: The surface area of the skin that covers the entire body is less than the surface area of both the lungs.

Statement 2: The surface area of both the lungs together constitutes 70 square meters.

1. Both the statements are true.

2. Statement 1 is false but statement 2 is true.

3. Statement 1 is true but statement 2 is false.

4. Both the statements are false.

Q.

Which of the following is not a part of the respiratory tract?

1. Trachea

2. Bronchi

3. Nasal cavity

4. Arteries

Q.

The correct sequence of air passage during inhalation?

$Nostrils\to pharynx\to larynx\to trachea\to alveoli$

1. True

2. False

Q.

Branches of the trachea that enter the lungs and are supported by cartilaginous bronchial rings are ___.

1. bronchi

2. bronchioles

3. alveoli

4. larynx

Q.

Statement 1: Pleura is the double layered protective membrane of the lungs.

Statement 2: There are cartilaginous rings in the bronchioles.

1. Both the statements are true

2. Both the statements are false

3. Statement 1 is false and statement 2 is true

4. Statement 1 is true and statement 2 is false

Q.

What is the percentage of carbon dioxide present in plasma water, carbaminohaemoglobin and bicarbonate?

1. Left lung - 1 fissure - 2 lobes - 8 segments

2. Left lung - 2 fissures - 3 lobes - 10 segments

3. Damage to one of the segments in the lung lobes will not affect the functioning of the other.

4. Right lung - 2 fissures - 3 lobes - 10 segments

Q. What are the organic molecules in the oxygen cycle

Q.

In the lungs, air passes through a large number of small tubes called ______ and then reaches the tiny air-sacs called __________

Q.

Which is the correct sequence of air passage during inhalation?

1. $Nostrils\to larynx\to pharynx\to trachea\to lungs$

2. $Nasalpassage\to trachea\to pharynx\to larynx\to alveoli$

3. $Nostrils\to pharynx\to larynx\to trachea\to alveoli$

4. $Larynx\to nostrils\to pharynx\to lungs\to trachea$

Q.

Membrane that encloses the lungs ________.

Q.

Respiration needs nitrogen.

1. True
2. False

Q.

What is the function of sac-like structures present at the end of bronchioles?

1. Storage of respiratory gases

2. Exchange of respiratory gases

3. Protection of lungs

4. Protection from bacteria

Q.

The diagram below represents the breakdown of glucose by various pathways. Choose the correct option.
.

1. (iii) – Carbon dioxide, (iv) – Water, (v) – Lactic Acid

2. (ii) – Water, (iii) – Oxygen, (iv) – Carbon dioxide

3. (vi) – Presence of oxygen, (vii) – In ameoba, (viii) – Pyruvate

4. (i) - In human cells, (ii) – Energy, (iii) – Carbon dioxide

Q.

Statement 1: Diaphragm is a muscular wall.
Statement 2: Diaphragm separates the thoracic and abdominal cavities.

1. Statement 1 is true and statement 2 is false
2. Statement 1 is false and statement 2 is true
3. Both the statements are true
4. Both the statements are false

Q.

Draw the picture of human respiratory system and label its different parts.

Q.

What gas do humans give off when they breathe?

1. Oxygen

2. Hydrogen

3. Helium

4. Carbon Dioxide

Q.

The function of diaphragm in breathing can be attributed to its ___.

1. muscular nature

2. skeletal nature

3. fluid nature

4. sensitivity to respiratory gases

Q. Air moves from outside into the lungs through __.

Q.

What are the functions of labeled parts [1 and 2] in the diagram?

1. 1 - exchange of gases, 2 - assists in inhalation and exhalation

2. 1 - filtering of air, 2 - maintaining shape of lungs

3. 1 - absorption of gases, 2 - assists in cellular respiration

4. 1 - storing gases, 2 - exchange of gases

Q. Identify the structure shown in the diagram

1. Nephron
2. Villi
3. Neuron
4. Alveoli

Q.

Identify the structure shown below.

1. Nephron

2. Alveoli

3. Neuron

4. Villi

Q. Choose the correct answer from the alternatives given.
What is the synovial membrane which protects lungs from friction against abdominal wall?

1. Pleura
2. Mesentery
3. Alveolar septum
4. Tracheal bifurcation

Q. Syrinx is present in the region of

1. Origin of trachea
2. Middle of trachea
3. End of trachea
4. End of bronchi.

Q.

The structure which prevents the entry of food into respiratory tract is

1. Pharynx

2. Larynx

3. Glottis

4. Epiglottis