The antibodies are Y-shaped blood protein that binds to the specific antigens in a lock and key fashion to form an antigen-antibody complex and destroy the harmful antigen. These are synthesised by lymphocytes. These are also called immunoglobulin.

HIV or human immunodeficiency virus is a virus that attacks cells that help the body fight infection, making a person more vulnerable to other infections and diseases. It can lead to the disease AIDS or acquired immunodeficiency syndrome. It is spread by contact with certain bodily fluids of a person with HIV, most commonly during unprotected sex or sex without a condom or HIV medicine to prevent or treat HIV, or through sharing injection drug equipment.

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY>Biology and Human Welfare>Chapter 9 - Health and Disease>Odisha Board-2019

Embibe Experts Solutions for Exercise 1: Odisha Board-2019

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Embibe Experts Biology Solutions for Exercise - Embibe Experts Solutions for Exercise 1: Odisha Board-2019

Attempt the practice questions from Exercise 1: Odisha Board-2019 with hints and solutions to strengthen your understanding. EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY solutions are prepared by Experienced Embibe Experts.