SureDen
Exchange of gases in alveoli:
Alveoli are the primary site of exchange of gases. Concentration of oxygen is more in alve
Breathing mechanism:
It is the first step of respiration which involves inspiration of fresh air and expiration of foul air. An average human brea
Transport of gases in Blood:
Oxygen transport: oxygen is carried by blood in
Oxygen – Dissociation curve:
When percentage saturation of hemoglobin with oxygen (O2) , is plotted against the partial pressure of oxygen (Po2), in atmosphere. This plot is called O2-HB Dissociation curve
Anaerobic Respiration:
That occurs without the use of molecular oxygen. Also called Fermentation.
1) In yeast,
Introduction:
All living things need energy for all metabolic activities:
Differences regarding respiration:
Difference between respiration and breathing:
Human respiratory system:
Firstly, Nose which has two external nostril opening. It leads to nasal chamber which further leads to naso-
Path followed by air during breathing:
During inspiration:
Partial Pressure:
Pressure exerted by individual gases in a mixture of gases is called partial pressure.
Po2
Aerobic Respiration:
That occurs by the use of molecular oxygen. And can be direct or indirect on the basis of exchange of gases:
1) Di
Control and regulation of respiration:
Disorders of respiratory system:
Hypoxia: It is a condition of oxygen shortage in the tissues.
SOLUTIONS
A solution is a homogeneous mixture to two or more chemically non reacting substance whose composition can be varied with in certain lim
(i) Boyle’s Law → “The volume of given mass of a gas is inversely proportional to its presence at constant temperature.&rdqu
It is divided into 2 parts : (1.1) Brain and (1.2) spinal cord.
(1.1)
Pulmonary air volumes and capacities:
Tidal volume: volume of air inspired or expired i
Respiratory organs:
For aquatic arthropods and mollusks: Gills
For cell terrestrial forms: Lungs
Fishes: gi
Preparation of Oxides:
By direct heating of an element with oxygen
Many metals and non-metals burn rapidly when heated in oxygen or air,
The phenomenon of adsorption finds a number of applications in laboratory and industry such as:
In Preserving Vacuum:- in Dewar fla
Air Pollution:-
Any undesirable change in composition of air which is harmful for living organism.
Causes of air pollutio
Disorders due under-nutrition, mal-nutrition or over-nutrition:
Under-nutrition: if man is taking a diet, with low calorific value. After long time, our body starts eating its own proteins for energy. And out muscles start reducing their si
Allergy:
The exaggerated response of the immune system to certain antigens present in the environment is called
muscular :-
(that involves muscles mostly occur at cellular level o
Noise:-
It is high intensity of undesirable sound. It is measured in desirables (dB).
Important:- More than 150dB soun
Coming Soon...