Tidal Volume

Q. Give suitable explanations for the following:
Why does a person feel breathlessness at higher altitudes?

Q. Give suitable explanations for the following:
Why does gaseous exchange continue in the lungs even during expiration?

Q. Name the body structure concerned with the given functional activity:

(f) Provides actual diffusion of respiratory gases in lungs.

Q. What is wrong in the statement ?​

“We breathe in oxygen and breathe out carbon dioxide”?

Q. With regard to the respiratory system and the process of respiration in man, answer the following questions:

(d)What is meant by:
1)Residual air
2)Dead air space

Q. State one function of each of the following:​

(c)Diaphragm.

Q. Mention any two points of difference in the quality of inspired and expired air.

Q. Given alongside is a diagrammatic sketch of a part in human lungs.

ii)What do the arrows $5$ and $6$ indicate?

Q. How do the following contribute in inspiration during breathing?
(i) Ribs
(ii) Diaphragm

Q. State whether the following statements are true(T) or false(F):

(iii)Breathing and gaseous transport are the same thing.(T/F)

Q. Given alongside is an experiment intended to demonstrate the action of diaphragm, but something has gone wrong.

What is the mistake in the diagram? Explain.

Q. Differentiate between the following pairs on the basis of the aspect given in the brackets.

(a)Aerobic and anaerobic respiration (end products of the process).

Q.

What is breathing?

Q. What are the functions of the following in breathing?
i)Ribs
ii)Diaphragm
iii)Abdominal muscles

Q.

The exchange of oxygen and other gases between the air in the lungs and blood vessels takes place in the ___.

1. diaphragm

2. pharynx

3. alveoli

4. trachea

Q. In human respiratory system, ____ are the sites for gaseous exchange.

1. nostrils
2. bronchi
3. trachea
4. alveoli

Q.

In resting conditions, tidal volume is

1. 500 ml

2. 1500 ml

3. 300 ml

4. 800 ml

Q. Volume of air inspired or expired with each normal breath is called as

1. Tidal volume.
2. Inspiratory capacity.
3. Total lung capacity.
4. Residual volume.

Q. Breathing is a physical process which involves the movement of:

1. Ribs
2. Nasal cavity
3. Trachea
4. Diaphragm

Q. Tidal volume of air in a normal healthy man during inspiration is about

1. 300-400 ml
2. 500-700 ml
3. 900-1000 ml
4. 100-250 ml

Q. Unscramble and match the following:

$\begin{array}{cccc}& \text{Column I}& & \text{Column II}\\ \text{A}& \text{EILAOVL}& \text{1}& \text{Also called wind pipe}\\ \text{B}& \text{RATEHCA}& \text{2}& \text{Provides passage to both air and food}\\ \text{C}& \text{HMARDAIGP}& \text{3}& \text{Taking in of air}\\ \text{D}& \text{YXRNAPH}& \text{4}& \text{Muscular partition}\\ \text{E}& \text{TIOHANINAL}& \text{5}& \text{Exchange of gases}\end{array}$

1. A-5, B-1, C-2, D-4, E-3
2. A-5, B-2, C-4, D-1, E-3
3. A-5, B-2, C-3, D-1, E-4
4. A-5, B-1, C-4, D-2, E-3

Q. Which one of the following is surrounded by a rich amount of capillaries?

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

Q. Sac-like structures present in the lungs are called .

1. trachea
2. bronchioles
3. alveoli

Q. ___ act as air filtration unit in human respiratory system.

1. Diaphragm
2. Lungs
3. Heart
4. Nostril

Q. is the air breathed in and out in a normal unforced breathing and is approximately .

1. Inspiratory capacity
2. Tidal volume
3. 500 ml
4. 1500 ml

Q. Name the body structure concerned with the given functional activity:

(c) Helps to increase the volume of the chest activity lengthwise.

Q. ___ act as air filtration unit in human respiratory system.

1. Lungs
2. Diaphragm
3. Heart
4. Nostril

Q. Sac-like structures present in the lungs are called .

1. alveoli
2. trachea
3. bronchioles

Q. Which one of the following is surrounded by a rich amount of capillaries?

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

Q.

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

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