Study Materials

Asthma Biology Study Material Asthma is a chronic condition which affects the respiratory system. It causes inflammation of the bronchioles, which in turn constricts them ...

Respiratory Diseases Biology Study Material Smoking Smoking severely damages your health and contributes to thousands of deaths every year. Cigarettes contain lots of ...

Pulavarkal Place Group 2A Preparation   Click Here Download More Details  

Breathing and Exercise Biology Study Material When we are at rest on average we take about 16 breaths per minute. But our breathing rate increases considerably when we ...

Respiration Biology Study Material Respiration is the process of releasing energy from the breakdown of glucose. Respiration takes place in every living cell, all of the ...

Gas Exchange Biology Study Material In order to see how gas exchange occurs we need to look further into the lungs. Firstly we know that air enters the body through the ...

The Cardiac Conduction System Biology Study Material  The pumping action of the heart (heartbeat) is controlled by the heart’s electrical system or the cardiac conduction ...

The Heart Biology Study Material  The heart is a pump that circulates blood all around the body. It is approximately the size of a human fist and is located just to the ...

The Circulatory system Biology Study Material  The circulatory system is in fact known as a double circulatory system, this is because it is made up of two interweaving ...

Arteries, Veins and Capillaries Biology Study Material  The next major components of the cardiovascular system are the blood vessels. These are a network of tubes that ...