In this article we will discuss about the metabolism of iron in human body with the help of suitable diagram. Distribution of Iron: Iron is distributed in the body: (a) As iron porphyrins in haemoglobin, myoglobin, and also (b) As iron enzymes in catalase, cytochrome and peroxidases. Besides these, the iron is also present as non-iron porphyrins in transferrin, ferritin [...]
In this article we will discuss about the structure of human eye with the help of suitable diagram. The human eye is a very sensitive and delicate organ suspended in the eye socket which protects it from injuries. It essentially consists of CORNEA, LENS & RETINA besides many other parts such as Iris, Pupil and aqueous humour, vituous humour etc. [...]
Here is an essay on the ‘Nervous System’ especially written for school and college students in Hindi language. Essay # 1. 'तन्त्रिका तन्त्र' का परिचय (Introduction to Nervous System): शरीर रूपी जटिल यन्त्र के विभिन्न यन्त्रों के कार्यों में सामजस्य उत्पन्न करने के लिए शरीर के अन्तर्गत एक विशेष तन्त्र रहता है, जिसे 'तन्त्रिका तन्त्र' कहते हैं । यह शरीर [...]