Author Archives: yug

Adolescence and Reproductive Health

Adolescence and Reproductive Health Adolescence-and-Health To view the complete lesson click the video below Adolescents need to avoid junk food. A balanced diet contains nutrients like carbohydrates, proteins, fats, vitamins, minerals and water in the right proportions.Healthy foods have more nutritional value, whereas junk foods have no or little nutritional value. A person with complete physical and mental health is termed […]

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Role of Hormones in Initiating Reproductive Function

Role of Hormones in Initiating Reproductive Function Hormones and Reproductive Function To view the complete lesson click the video below   Hormones are chemical messengers that regulate most functions in the human body. Endocrine glands or ductless glands secrete hormones directly into the bloodstream. Sex hormones control the onset of puberty and initiate the reproduction function. Body changes such as the growth of facial hair and cracking of voice, […]

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Changes during Puberty

Changes during Puberty Changes During Puberty To view the complete lesson click the video below After the age of ten years, an individual becomes an adolescent, and experiences a lot of physical changes in the body.Adolescent is a general term for teenagers of both sexes.Adolescence is the period of life between the onset of puberty and reaching adulthood, that is, the […]

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Light and Eyes

Light and Eyes Light and Eyes We see objects around us with our eyes. The eye is an important sense organ. The human eye is roughly spherical in shape. Its transparent front part is called the cornea. Behind the cornea, there is a muscular structure called the iris. There is a small opening in the iris, whose size can be controlled, and is called the pupil. […]

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Reflection in Plane Mirrors

Light is a form of energy given out by a self luminous body, which travels into infinite media. Light makes things around us visible. Objects that do not give out light of their own are called non-luminous objects. They just reflect light that falls on them. We see with our eyes. When light reflected from an object enters our eyes, the object […]

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Science Class VIIIth

Chapter as per NCERT Lessons Biology Crop Production and Management Agriculture Crop Protection Harvest and Storage Microorganisms: Friend and Foe World of Microorganisms Dealing with Harmful Microorganisms Food Preservation Nitrogen Fixation Conservation of Plants and Animals Deforestation and Reforestation Conservation of Forest and Wildlife Cell – Structure and Functions Introduction to Cells Structure and Function […]

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Hello to the world of Class VIIIth (NCERT/CBSE)

Welcome to WordPress. This is your first post. Edit or delete it, then start blogging!

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