EASY
Earn 100

Define external respiration.

Important Questions on Respiration in Plants

MEDIUM
Explain the mechanism of respiration.
MEDIUM
Differentiate between the two types of respiration involved in gaseous exchange.
MEDIUM
How are oxygen and carbon dioxide transported in human beings? How are lungs designed to maximize the area for exchange of gases?
MEDIUM
Which among the following will have higher breathing rate?
MEDIUM
Describe the mechanism of breathing in human beings.
MEDIUM
” Breathing cycle is rhythmic, whereas the exchange of gases is a continuous process”. Justify this statement.
HARD
A person suffers punctures in his chest cavity in an accident, without any damage to the lungs its effect could be
MEDIUM
When we inhale, nitrogen also goes inside along with oxygen. This nitrogen is:
MEDIUM

Differentiate between external and internal (or cellular) respiration.

MEDIUM
With the help of an experiment demonstrate the mechanism of breathing.
EASY
During which phase of breathing diaphragm moves downward and becomes flat?
MEDIUM
State the role of following in the human respiratory system:
Diaphragm.
MEDIUM
What role is played by diaphragm in your body?
MEDIUM
Why does the rate of breathing increase by 20 to 25 times per minute during vigorous exercise?
MEDIUM
Explain the mechanism of breathing.
MEDIUM
State how is the process of breathing brought about in our body.
MEDIUM
List four conditions required for efficient gas exchange in an organism?
HARD
Describe the mechanism of breathing.
MEDIUM
Relaxation of rib muscles and diaphragm leads to: