Respiration in human beings - class-X
Description: respiration in human beings | |
Number of Questions: 17 | |
Created by: Naresh Verma | |
Tags: organization of life breathing for energy zoology respiration-the energy producing system respiration breathing and exchange of gases human physiology breathing and respiration gas exchange in humans human system biology gas exchange and smoking life process: nutrition, transportation, respiration, excretion respiration in living organisms the respiratory system |
Fill the following table related to partial pressure (in mm of Hg) of respiratory gases in different parts:
Respiratory gases | Alveoli | Blood (oxygenated ) | Tissues |
---|---|---|---|
$O _2$ | - | - | $40$ |
$CO _2$ | $40$ | $40$ | - |
The exchange of respiratory gases with the blood occurs at.
In lungs, a respiratory bronchiole divides to form.
Which is the end part of pulmonary or lung division and place of gaseous exchange?
Oxygen and carbon dioxide concentration in the alveolar air is respectively.
Inner/alveolar surface area of human lungs is?
Approximate normal composition of alveolar air is?
What is correct?
Complete and balance the following equation $Na _2HPO _4+X\rightarrow Y+NaH _2PO _4$.
The partial pressure of oxygen in the alveoli of lungs is?
Choose the correct answer from the alternatives given.
What are the tiny clusters of chambers for diffusion of gases in lungs?
What is the approximate normal composition of alveolar air?
Membrane separating air in pulmonary alveoli from blood capillaries.
Rate and depth of
respiration shall increase when
State whether the following statements are true or false.
A normal man respires 70-80 times in a minute.
A person breathing normally at rest, takes in and expels approximately half a litre of air during each respiratory cycle. This is called
Heavy laboured and rapid breathing will result in which of the following?