What constitutes the Immune system and what role does it play in the Human body ?
The human immune system consists of lymphoid organs, tissues, cells and soluble molecules like antibodies.
Immune system is unique in the sense that it recognizes foreign antigens, responds to these and remembers them.
The immune system also plays an important role in allergic reactions, auto immune diseases and organ transplantation.
Biological name of insect (vector) carrying the plague
To obtain a standard $ECG$, a patient is connected to the machine with three electrodes
Passive immunity was discovered by
Aloe vera cures cough and cold by
Read the following statements
$a.$ Heroin, commonly called smack, is obtained by acetylation of morphine.
$b.$ Cocaine is obtained from the latex of Papaver somniferum.
$c.$ Dopamine is excitatory neurotransmitter.
$d.$ Morphine is an effective sedative and pain killer.
Mark the option which includes both correct statement