Human Health & Disease - TOPIC 1 - Immunity & its types, Antigen & Antibody, Branches of Immunology

Health does not simply mean ‘absence of disease’ or ‘physical
fitness’. It could be defined as a state of complete physical, mental and social well-being. When people are healthy, they are more efficient at work. This increases productivity and brings economic prosperity. Health also increases the longevity of people and reduces infant and maternal mortality.

InstaPreps by 7 Classes extends our gratitude to Dr. Sana Khan

Why 7 Classes?
Watch the video and join our hands to be the part of revolutionary education.
Personal attention is something which is the very basic right of every child and our motto is also the same which is Only 7 Students in one Batch Because Success Needs Personal Attention.

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