EASY
Earn 100

Gas Inhaled air % Exhaled air %
Oxygen  21 16
Carbon dioxide 0.03 4.4
Nitrogen 78 78

Why does the amount of oxygen vary between exhaled and inhaled air?

 

Important Questions on Respiration - The Energy Producing System

MEDIUM
Science>Biology>Respiration - The Energy Producing System>Mechanism of Respiration in Human Beings

The middle step between the gaseous exchange at lung’s level and tissue level is _____.

MEDIUM
Science>Biology>Respiration - The Energy Producing System>Mechanism of Respiration in Human Beings
Explain the mechanism of respiration.
HARD
Science>Biology>Respiration - The Energy Producing System>Mechanism of Respiration in Human Beings

Skin: Sweat : Lungs: _____

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

Differentiate between external and internal (or cellular) respiration.

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