MEDIUM
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What are the nasal cavity and its function?

Important Questions on Respiration in Organisms

EASY
Science>Biology>Respiration in Organisms>Respiratory System of Human
Which of the following factors are favourable for the formation of oxyhaemoglobin in the alveoli human lungs?
EASY
Science>Biology>Respiration in Organisms>Respiratory System of Human
The maximum number of oxygen molecules that can bind to one molecule of hemoglobin is:
EASY
Science>Biology>Respiration in Organisms>Respiratory System of Human

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
Science>Biology>Respiration in Organisms>Respiratory System of Human

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

MEDIUM
Science>Biology>Respiration in Organisms>Respiratory System of Human
Human fetal hemoglobin differs from the adult hemoglobin in that it has:
EASY
Science>Biology>Respiration in Organisms>Respiratory System of Human
Which part of respiratory system cleans, moistens and air conditions the inhaled air?
MEDIUM
Science>Biology>Respiration in Organisms>Respiratory System of Human
Draw a labelled diagram of human respiratory system.
MEDIUM
Science>Biology>Respiration in Organisms>Respiratory System of Human
Which membrane controls the movement of the lungs?
EASY
Science>Biology>Respiration in Organisms>Respiratory System of Human

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

EASY
Science>Biology>Respiration in Organisms>Respiratory System of Human
The two branches of the windpipe carry oxygen to the two lungs.
MEDIUM
Science>Biology>Respiration in Organisms>Respiratory System of Human
Which is the respiratory organ in humans?
MEDIUM
Science>Biology>Respiration in Organisms>Respiratory System of Human
Draw a well-labelled diagram of the human respiratory system. In which part of the lungs, does an exchange of gases take place?
MEDIUM
Science>Biology>Respiration in Organisms>Respiratory System of Human
Which of the following is not associated with the process of respiration?
HARD
Science>Biology>Respiration in Organisms>Respiratory System of Human
What are the main organs of respiratory system in humans?
MEDIUM
Science>Biology>Respiration in Organisms>Respiratory System of Human
Describe the mechanism of exchange of gases in the alveolus of the lung.
MEDIUM
Science>Biology>Respiration in Organisms>Respiratory System of Human
What will happen if our diaphragm shows no movement?
MEDIUM
Science>Biology>Respiration in Organisms>Respiratory System of Human
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?
MEDIUM
Science>Biology>Respiration in Organisms>Respiratory System of Human
Name the breathing organs in the human body.
MEDIUM
Science>Biology>Respiration in Organisms>Respiratory System of Human
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?
EASY
Science>Biology>Respiration in Organisms>Respiratory System of Human
List the parts of your body from which air passes through when it enters from the atmosphere to reach to the alveoli.