The Cardiac Conduction Sy...

  • posted Date:2017 Sep, 14

OverviewThe pumping action of the heart (heartbeat) is controlled by the heart’s electrical system or the cardiac conduc...

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Blood Vessels

  • posted Date:2017 Sep, 14

OverviewThese are a network of tubes that transport the blood around the body. There are three types of blood vessels wh...

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Components of Blood

  • posted Date:2017 Sep, 14

 OverviewThe body contains approximately 5 litres of blood and this is a mixture made up of red blood cells, white blood...

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Female Reproductive Syste...

  • posted Date:2017 Sep, 14

OverviewLike the male reproductive system, a primary function of the female reproductive system is to make gametes , the...

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Male Reproductive System

  • posted Date:2017 Sep, 14

OverviewReproduction is essential for any species to sustain its population. In the simplest sense, the most important f...

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Sexual Reproduction

  • posted Date:2017 Sep, 14

OverviewSexual reproduction is a way of reproduction of some animals and plants. Some protists and fungi also reproduce...

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Asexual Reproduction

  • posted Date:2017 Sep, 14

OverviewAsexual reproduction is reproduction without sex. In this form of reproduction, a single organism or cell makes...

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The Menstrual Cycle

  • posted Date:2017 Sep, 14

OverviewThe menstrual cycle begins when a girl reaches the age of puberty. It is the reproductive cycle that produces eg...

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Asthma

  • posted Date:2017 Sep, 14

OverviewAsthma is a chronic condition which affects the respiratory system. It causes inflammation of the bronchioles, w...

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Respiratory Diseases

  • posted Date:2017 Sep, 14

Non-Smoker vs Smokey LungsSmokingSmoking severely damages your health and contributes to thousands of deaths every year....

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Breathing and Exercise

  • posted Date:2017 Sep, 14

Overview:When we are at rest on average we take about 16 breaths per minute. But our breathing rate increases considerab...

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Respiration

  • posted Date:2017 Sep, 14

OverviewRespiration is the process of releasing energy from the breakdown of glucose. Respiration takes place in every l...

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Gas Exchange

  • posted Date:2017 Sep, 14

OverviewIn order to see how gas exchange occurs we need to look further into the lungs. Firstly we know that air enters...

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The Breathing System

  • posted Date:2017 Sep, 14

OverviewWhen we breathe, air moves into and out of our body. There are two movements involved in the process of breathin...

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Breathing and Respiration

  • posted Date:2017 Sep, 14

OverviewMany people confuse the terms Breathing and Respiration and often breathing is referred to as respiration, but t...

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Enzymes and Digestion

  • posted Date:2017 Sep, 14

OverviewAs we know enzymes are important molecules, they are particularly important in digestion as they help break down...

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Digestion

  • posted Date:2017 Sep, 14

OverviewIn order for the food that we have eaten to be useful to our body it needs to be broken down into small molecule...

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Balanced Diet

  • posted Date:2017 Sep, 14

OverviewIn order to maintain healthy our body must have a healthy and balanced diet. This means we must eat sufficient f...

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Food

  • posted Date:2017 Sep, 14

OverviewWe all enjoy and eat food but why do we need it and what does our body do with it? Below are some of the main re...

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