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Female Reproductive System in Human - The human female reproductive system performs the following functions: a) Formation of eggs b) Reception of sperms during copulation c) Providing a conducive environment for fertilisation d) Providing shelter and nourishment to the grow..

Closed Circulatory System in Humans - The closed circulatory system can be represented as follows. Diagram showing inter-relationship between artery, vein and capillary The closed blood vascular system is a very well developed system This is so because, a) The organisms have a thick ..

Human Reproductive System - In human beings, sexual reproduction takes place. Sexes are separate and hence they are known to exhibit sexual dimporphism. Males have sex organs called the tetes while the females have sex organs called the ovaries. Even in the external appearance, ..

A modem (a modulator/demodulator) lets you connect your computer to a standard telephone line so that you can transmit and receive electronically transmitted data. It is the key that unlocks the world of the Internet and its World Wide Web, commercial online services, electronic mai..

The large scale use of synthetic polymers has been based on their relative inertness to environmental process so that degradation reactions leading to any change in the properties of the polymer during the service life of its product does not occur. It is due to this property that managem..

Mechanism of Respiration - Human cellular respiration can be divided into 2 main phases. a) Glycolysis b) Kreb's cycle The Broad Scheme of Respiration The Steps of Respiration at a Gla..

Muscles constitute nearly 40 - 50% of the total human body weight. Muscles have the unique properties of: (a) Excitability (b) Contractibility (c) Extensibility and (d) Elasticity In man, muscles are classified into 3 categori..

A coaxial cable consists of an inner conductor and an outer conductor, separated by a dielectric insulating material. The inner conductor is made of a copper wire encased inside the dielectric material. As for the outer conductor, it is made of copper, tinned copper, or copper-coated steel. T..

Dwelling - Human settlements in the form of cluster of housing units have always been a source of pollution. Because, human beings generate large quantity of wastes during the course of their daily activities. Activities like washing, cleaning, bathing, food preparation, as well..

The blood is a fluid connective tissue. It is opaque and somewhat sticky. It is more viscous than distilled water with a viscosity of 4.7 and slightly alkaline in nature, Oxygenated blood is bright red while the deoxygenated blood is purple coloured. Blood flows in the blood vessels due to the pump..