Movement of Lungs

Q.

How are the alveoli designed to maximize the exchange of gases?

Q.

Which of the following is not a characteristic of alveoli?

1. They shuttle air to and from the lungs

2. They maintain the shape and surface tension of the air sac

3. They are arranged in clusters

4. They sit at the end of the respiratory tree.

Q. During the process of inhalation, the diaphragm moves _________ and ribs move __________.

1. down, inwards
   
2. up, inwards
   
3. down, outwards
   
4. up, outwards
   

Q. Observe the figures given as (A) and (B) and answer the following.
(a) Which of the figures A or B indicates the process of inhalation and which the process of exhalation?
(b) In the figure label the arrows and indicate the direction of
(i) movement of air
(ii) movement of diaphragm
(iii) movement of rib
​

Q. Observe the figures given as (A) and (B) and answer the following.
(a) Which of the figures A or B indicates the process of inhalation and which the process of exhalation?
(b) In the figure label the arrows and indicate the direction of
(i) movement of air
(ii) movement of diaphragm
(iii) movement of rib
​

Q. Which of the following events occur when we inhale or breathe in?
Event 1: Diaphragm relaxes and moves upwards.
Event 2: Chest expands outwards.
Event 3: Belly/Stomach protrudes out.
Event 4: Contents of abdomen shift upwards.

1. Only events 1, 2, and 4
2. Only events 2 and 3
3. Only events 1 and 2
4. All the events

Q. Which of the following parts of the respiratory system is involved in the absorption of oxygen in the blood stream?

1. Alveoli
2. Nose
3. Trachea
4. Bronchi

Q. Oxygen is absorbed through the alveoli in the lungs. How are the alveoli adapted for this function?

Q. Sort the following to trace the passage of air inside our body starting from nose. (Top)

1. Nose
2. Trachea
3. Alveoli
4. Blood

Q. Sneezing is a voluntary action.

1. False
2. True

Q. Which of the following events occur when we inhale or breathe in?
Event 1: Diaphragm relaxes and moves upwards.
Event 2: Chest expands outwards.
Event 3: Belly/Stomach protrudes out.
Event 4: Contents of abdomen shift upwards.

1. Only events 1, 2, and 4
2. Only events 2 and 3
3. Only events 1 and 2
4. All the events

Q. Which among the following statements are true?

1. During inhalation, chest width increases.
2. During exhalation, chest width decreases.
3. During exhalation, chest width increases.
4. During inhalation, chest width decreases.

Q. Observe the figures given as (A) and (B) and answer the following.
(a) Which of the figures A or B indicates the process of inhalation and which the process of exhalation?
(b) In the figure label the arrows and indicate the direction of
(i) movement of air
(ii) movement of diaphragm
(iii) movement of rib
​

Q. Sneezing helps in removing dust particles.

1. False
2. True

Q. Pair up the changes taking place during exhalation to the organ/component.

1. Lungs
2. Contract
3. Diaphragm
4. Air
5. Moves up
6. Moves out