Means of Transport Diffusion M ovement by diffusion is passive, and may be from one…
Meiosis T he production of offspring by sexual reproduction includes the fusion of…
The Living State A t this level, you must understand that the tens and thousands of…
Frogs F rogs can live both on land and in freshwater and belong to class Amphibia …
The Flower T he flower is the reproductive unit in the angiosperms. It is meant fo…
Deficiency Symptoms of Essential Elements W henever the supply of an essential eleme…
Role of Macro and Micro Nutrients E ssential elements perform several functions. Th…
Human Respiratory System W e have a pair of external nostrils opening out above the…
Adrenal Gland O ur body has one pair of adrenal glands, one at the anterior part of…
The Pituitary Gland T he pituitary gland is located in a bony cavity called sella t…
The Ear T he ears perform two sensory functions, hearing and maintenance of body ba…
Central Neural System T he brain is the central information processing organ of our…
Transmission of Impulses A nerve Impulse is transmitted from one neuron to another…
Generation and Conduction of Nerve Impulse N eurons are excitable cells because thei…
MUSCLES T he cilia and flagella are the outgrowths of the cell membrane. Flagellar m…
Mechanism of Muscle Contraction M echanism of Muscle Contraction is best explained …
JOINTS J oints are essential for all types of movements involving the bony parts of…
Skeletal System S keletal system consists of a framework of bones and a few cartilages…