EASY
Earn 100

Define the term alveoli and where it is found.

Important Questions on Respiration in Organisms

EASY
Which of the following factors are favourable for the formation of oxyhaemoglobin in the alveoli human lungs?
EASY
The maximum number of oxygen molecules that can bind to one molecule of hemoglobin is:
EASY

Select the correct events that occur during inspiration.

(a) Contraction of diaphragm
(b) Contraction of external intercostal muscles
(c) Pulmonary volume decreases
(d) Intrapulmonary pressure increases

MEDIUM

Select the favourable conditions required for the formation of oxyhaemoglobin at the alveoli.

MEDIUM
Human fetal hemoglobin differs from the adult hemoglobin in that it has:
EASY
Why should we breathe air through the nose and not the mouth?
MEDIUM
Draw a well labelled diagram of human respiratory system. Name the part where exchange of gases takes place in our body. How does this process occur?
MEDIUM
In which structure does air pass through as it travels to the lungs?
EASY
What are the functions of the respiratory system?
EASY
The two branches of the windpipe carry oxygen to the two lungs.
HARD
What are the main organs of respiratory system in humans?
MEDIUM
Which of the following is not associated with the process of respiration?
HARD
Explain the respiratory system and the process of respiration.
MEDIUM
The process of digestion requires the help of two more systems in our body to provide energy from food. Which are the two systems and how do they help?
HARD
Draw a neat labelled diagram of the respiratory system in man.
MEDIUM
Name the breathing organs in the human body.
MEDIUM
Describe the mechanism of exchange of gases in the alveolus of the lung.
MEDIUM
Which membrane controls the movement of the lungs?
EASY

Name the organ in which the exchange of gases takes place inside our chest.