A team of students are preparing to participate in the interschool sports meet. During a practice session you find some vials with labels of certain cannabinoids.
(a) Will you report to the authorities? Why?
(b) Name of a plant from which such chemicals are obtained.
(c) Write the effect of these chemicals on human body.
(a) Yes, I would report the matter to the authorities because cannabinoids are classified under drugs and drug abuse is illegal.
(b) Cannabinoids can be obtained from a plant called Cannabis sativa.
(c) The cannabinoids bind to cannabinoid receptors present in the brain and affect the cardiovascular system.
A student on a school trip started sneezing and wheezing soon after reaching the hill station for no explained reasons. But, on return to the plains, the symptoms disappeared. What is such a response called? How does the body produce it?
Name any two types of cells that act as 'cellular barriers' to provide innate immunity in humans.
Indiscriminate diagnostic practices using X-rays etc., should be avoided. Give one reason.
Why sharing of injection a needle between two individuals is not recommended?
