Lymph nodes are secondary lymphoid organs. Explain the role of lymph nodes in our immune response.
Lymph nodes are small solid structures located at different points along the lymphatic system.
Lymph nodes trap the microorganisms or other antigens, which happen to get into the lymph and tissue fluid.
Antigens trapped in the lymph nodes are responsible for the activation of lymphocytes present there, causes production of antibodies.
It causes the immune response.
They also destroyes cancer cells.
Which is the particular type of drug that is obtained from the plant whose one flowering branch is shown here?
List the harmful effects caused by alcohol/drug abuse.
The outline structure of a drug is given below.
$(a)$ Which group of drugs does this represent ?
$(b)$ What are the modes of consumption of these drugs ?
$(c)$ Name the organ of the body which is affected by consumption of these drugs.
Withdrawal symptoms of drug addiction are
Drugs and alcohol give short-term 'high' and long-term 'damages', Discuss.